====== Checking before the patch ======
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 ====== Checking the tree with the patch ======
tools/testing/selftests/drivers/net/netdevsim/udp_tunnel_nic.sh was shellcheck compliant, not anymore
New errors added
--- /tmp/tmp.zYvbHbeEGH	2025-06-16 10:08:13.179623793 -0700
+++ /tmp/tmp.19MNd1feMK	2025-06-16 10:08:14.491616224 -0700
@@ -0,0 +1,1411 @@
+
+In udp_tunnel_nic.sh line 18:
+    echo "ERROR:" $@
+                  ^-- SC2068 (error): Double quote array expansions to avoid re-splitting elements.
+
+
+In udp_tunnel_nic.sh line 30:
+	[ -e /sys/class/net/$dev ] && ip link del dev $dev
+                            ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+                                                      ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+	[ -e /sys/class/net/"$dev" ] && ip link del dev "$dev"
+
+
+In udp_tunnel_nic.sh line 62:
+    ip $ipfl link add $dev type vxlan \
+                      ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ip $ipfl link add "$dev" type vxlan \
+
+
+In udp_tunnel_nic.sh line 64:
+       dev $lower \
+           ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+       dev "$lower" \
+
+
+In udp_tunnel_nic.sh line 65:
+       dstport $dstport \
+               ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+       dstport "$dstport" \
+
+
+In udp_tunnel_nic.sh line 66:
+       $flags
+       ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+       "$flags"
+
+
+In udp_tunnel_nic.sh line 68:
+    ip link set dev $dev up
+                    ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ip link set dev "$dev" up
+
+
+In udp_tunnel_nic.sh line 70:
+    clean_up_devs=("${clean_up_devs[@]}" $dev)
+                                         ^--^ SC2206 (warning): Quote to prevent word splitting/globbing, or split robustly with mapfile or read -a.
+
+
+In udp_tunnel_nic.sh line 88:
+    ip $ipfl link add $dev type geneve \
+                      ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ip $ipfl link add "$dev" type geneve \
+
+
+In udp_tunnel_nic.sh line 89:
+       remote $remote  \
+              ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+       remote "$remote"  \
+
+
+In udp_tunnel_nic.sh line 90:
+       dstport $dstport \
+               ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+       dstport "$dstport" \
+
+
+In udp_tunnel_nic.sh line 91:
+       $flags
+       ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+       "$flags"
+
+
+In udp_tunnel_nic.sh line 93:
+    ip link set dev $dev up
+                    ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ip link set dev "$dev" up
+
+
+In udp_tunnel_nic.sh line 95:
+    clean_up_devs=("${clean_up_devs[@]}" $dev)
+                                         ^--^ SC2206 (warning): Quote to prevent word splitting/globbing, or split robustly with mapfile or read -a.
+
+
+In udp_tunnel_nic.sh line 103:
+    ip link del dev $dev
+                    ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ip link del dev "$dev"
+
+
+In udp_tunnel_nic.sh line 149:
+    read -a have < $path
+    ^--^ SC2162 (info): read without -r will mangle backslashes.
+                   ^---^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    read -a have < "$path"
+
+
+In udp_tunnel_nic.sh line 157:
+	if [ -n "$HAS_ETHTOOL" -a ${expected[i]} -ne 0 ]; then
+                               ^-- SC2166 (warning): Prefer [ p ] && [ q ] as [ p -a q ] is not well defined.
+                                  ^------------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+	if [ -n "$HAS_ETHTOOL" -a "${expected[i]}" -ne 0 ]; then
+
+
+In udp_tunnel_nic.sh line 158:
+	    pp_expected=`pre_ethtool ${expected[i]}`
+                        ^--------------------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                     ^------------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+	    pp_expected=$(pre_ethtool "${expected[i]}")
+
+
+In udp_tunnel_nic.sh line 159:
+	    ethtool --show-tunnels $NSIM_NETDEV | grep "$pp_expected" >/dev/null
+                                   ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+	    ethtool --show-tunnels "$NSIM_NETDEV" | grep "$pp_expected" >/dev/null
+
+
+In udp_tunnel_nic.sh line 160:
+	    if [ $? -ne 0 -a $last -ne 0 ]; then
+                          ^-- SC2166 (warning): Prefer [ p ] && [ q ] as [ p -a q ] is not well defined.
+                             ^---^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+	    if [ $? -ne 0 -a "$last" -ne 0 ]; then
+
+
+In udp_tunnel_nic.sh line 163:
+		ethtool --show-tunnels $NSIM_NETDEV
+                                       ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+		ethtool --show-tunnels "$NSIM_NETDEV"
+
+
+In udp_tunnel_nic.sh line 169:
+	if [ ${expected[i]} != ${have[i]} ]; then
+             ^------------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+                               ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+	if [ "${expected[i]}" != "${have[i]}" ]; then
+
+
+In udp_tunnel_nic.sh line 170:
+	    if [ $last -ne 0 ]; then
+                 ^---^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+	    if [ "$last" -ne 0 ]; then
+
+
+In udp_tunnel_nic.sh line 173:
+		echo "       expected: `pre ${expected[i]}`"
+                                       ^------------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                            ^------------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+		echo "       expected: $(pre "${expected[i]}")"
+
+
+In udp_tunnel_nic.sh line 174:
+		echo "       have:     `pre ${have[i]}`"
+                                       ^--------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                            ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+		echo "       have:     $(pre "${have[i]}")"
+
+
+In udp_tunnel_nic.sh line 198:
+    if [ -n "$HAS_ETHTOOL" -a -n "${STATIC_ENTRIES[0]}" ]; then
+                           ^-- SC2166 (warning): Prefer [ p ] && [ q ] as [ p -a q ] is not well defined.
+
+
+In udp_tunnel_nic.sh line 201:
+	    pp_expected=`pre_ethtool ${STATIC_ENTRIES[i]}`
+                        ^-- SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                     ^------------------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+	    pp_expected=$(pre_ethtool "${STATIC_ENTRIES[i]}")
+
+
+In udp_tunnel_nic.sh line 202:
+	    cnt=$(ethtool --show-tunnels $NSIM_NETDEV | grep -c "$pp_expected")
+                                         ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+	    cnt=$(ethtool --show-tunnels "$NSIM_NETDEV" | grep -c "$pp_expected")
+
+
+In udp_tunnel_nic.sh line 203:
+	    if [ $cnt -ne 1 ]; then
+                 ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+	    if [ "$cnt" -ne 1 ]; then
+
+
+In udp_tunnel_nic.sh line 206:
+		ethtool --show-tunnels $NSIM_NETDEV
+                                       ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+		ethtool --show-tunnels "$NSIM_NETDEV"
+
+
+In udp_tunnel_nic.sh line 216:
+    read -a have < $path
+    ^--^ SC2162 (info): read without -r will mangle backslashes.
+                   ^---^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    read -a have < "$path"
+
+
+In udp_tunnel_nic.sh line 218:
+    tree $NSIM_DEV_DFS/
+         ^-----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    tree "$NSIM_DEV_DFS"/
+
+
+In udp_tunnel_nic.sh line 223:
+	echo "    `pre ${have[i]}`"
+                  ^--------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                       ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+	echo "    $(pre "${have[i]}")"
+
+
+In udp_tunnel_nic.sh line 241:
+            [ $netdev == $check ] && break
+              ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.
+                         ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+            [ "$netdev" == "$check" ] && break
+
+
+In udp_tunnel_nic.sh line 244:
+	if [ $netdev != $check ]; then
+             ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.
+                        ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+	if [ "$netdev" != "$check" ]; then
+
+
+In udp_tunnel_nic.sh line 245:
+	    echo $netdev
+                 ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+	    echo "$netdev"
+
+
+In udp_tunnel_nic.sh line 256:
+ethtool -h | grep show-tunnels 2>&1 >/dev/null && HAS_ETHTOOL=y
+                               ^--^ SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).
+
+
+In udp_tunnel_nic.sh line 271:
+    NSIM_NETDEV=`get_netdev_name old_netdevs`
+                ^---------------------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    NSIM_NETDEV=$(get_netdev_name old_netdevs)
+
+
+In udp_tunnel_nic.sh line 272:
+    ip link set dev $NSIM_NETDEV up
+                    ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ip link set dev "$NSIM_NETDEV" up
+
+
+In udp_tunnel_nic.sh line 280:
+    exp0=( `mke 4789 1` 0 0 0 )
+           ^----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 4789 1) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 281:
+    new_vxlan vxlan0 4789 $NSIM_NETDEV
+                          ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlan0 4789 "$NSIM_NETDEV"
+
+
+In udp_tunnel_nic.sh line 282:
+    new_vxlan vxlan1 4789 $NSIM_NETDEV
+                          ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlan1 4789 "$NSIM_NETDEV"
+
+
+In udp_tunnel_nic.sh line 291:
+    exp0=( `mke 4789 1` 0 0 0 )
+           ^----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 4789 1) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 292:
+    new_vxlan vxlanA 4789 $NSIM_NETDEV 6
+                          ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlanA 4789 "$NSIM_NETDEV" 6
+
+
+In udp_tunnel_nic.sh line 298:
+    new_vxlan vxlanB 4789 $NSIM_NETDEV 6
+                          ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlanB 4789 "$NSIM_NETDEV" 6
+
+
+In udp_tunnel_nic.sh line 301:
+    exp0=( `mke 4789 1` `mke 4790 1` 0 0 )
+           ^----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                        ^----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                        ^----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 4789 1) $(mke 4790 1) 0 0 )
+
+
+In udp_tunnel_nic.sh line 302:
+    new_vxlan vxlanC 4790 $NSIM_NETDEV 6
+                          ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlanC 4790 "$NSIM_NETDEV" 6
+
+
+In udp_tunnel_nic.sh line 305:
+    exp1=( `mke 6081 2` 0 0 0 )
+           ^----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp1=( $(mke 6081 2) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 309:
+    ip link set dev $NSIM_NETDEV down
+                    ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ip link set dev "$NSIM_NETDEV" down
+
+
+In udp_tunnel_nic.sh line 316:
+    ip link set dev $NSIM_NETDEV up
+                    ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ip link set dev "$NSIM_NETDEV" up
+
+
+In udp_tunnel_nic.sh line 317:
+    exp0=( `mke 4789 1` `mke 4790 1` 0 0 )
+           ^----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                        ^----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                        ^----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 4789 1) $(mke 4790 1) 0 0 )
+
+
+In udp_tunnel_nic.sh line 318:
+    exp1=( `mke 6081 2` 0 0 0 )
+           ^----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp1=( $(mke 6081 2) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 353:
+NSIM_NETDEV=`get_netdev_name old_netdevs`
+            ^---------------------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+NSIM_NETDEV=$(get_netdev_name old_netdevs)
+
+
+In udp_tunnel_nic.sh line 356:
+exp0=( `mke 10000 1` 0 0 0 )
+       ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+       ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+exp0=( $(mke 10000 1) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 357:
+new_vxlan vxlan0 10000 $NSIM_NETDEV
+                       ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+new_vxlan vxlan0 10000 "$NSIM_NETDEV"
+
+
+In udp_tunnel_nic.sh line 370:
+    exp0=( `mke 10000 1` 0 0 0 )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 10000 1) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 371:
+    new_vxlan vxlan0 10000 $NSIM_NETDEV
+                           ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlan0 10000 "$NSIM_NETDEV"
+
+
+In udp_tunnel_nic.sh line 374:
+    exp0=( `mke 10000 1` `mke 10001 1` 0 0 )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 10000 1) $(mke 10001 1) 0 0 )
+
+
+In udp_tunnel_nic.sh line 375:
+    new_vxlan vxlan1 10001 $NSIM_NETDEV
+                           ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlan1 10001 "$NSIM_NETDEV"
+
+
+In udp_tunnel_nic.sh line 378:
+    exp0=( `mke 10000 1` `mke 10001 1` `mke 10002 1` 0 )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                       ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                       ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 10000 1) $(mke 10001 1) $(mke 10002 1) 0 )
+
+
+In udp_tunnel_nic.sh line 379:
+    new_vxlan vxlan2 10002 $NSIM_NETDEV
+                           ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlan2 10002 "$NSIM_NETDEV"
+
+
+In udp_tunnel_nic.sh line 382:
+    exp0=( `mke 10000 1` `mke 10001 1` `mke 10002 1` `mke 10003 1` )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                       ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                       ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                                     ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                                     ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 10000 1) $(mke 10001 1) $(mke 10002 1) $(mke 10003 1) )
+
+
+In udp_tunnel_nic.sh line 383:
+    new_vxlan vxlan3 10003 $NSIM_NETDEV
+                           ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlan3 10003 "$NSIM_NETDEV"
+
+
+In udp_tunnel_nic.sh line 386:
+    new_vxlan vxlan4 10004 $NSIM_NETDEV
+                           ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlan4 10004 "$NSIM_NETDEV"
+
+
+In udp_tunnel_nic.sh line 393:
+    exp1=( `mke 20000 2` 0 0 0 )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp1=( $(mke 20000 2) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 397:
+    exp1=( `mke 20000 2` `mke 20001 2` 0 0 )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp1=( $(mke 20000 2) $(mke 20001 2) 0 0 )
+
+
+In udp_tunnel_nic.sh line 401:
+    exp1=( `mke 20000 2` `mke 20001 2` `mke 20002 2` 0 )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                       ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                       ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp1=( $(mke 20000 2) $(mke 20001 2) $(mke 20002 2) 0 )
+
+
+In udp_tunnel_nic.sh line 405:
+    exp1=( `mke 20000 2` `mke 20001 2` `mke 20002 2` `mke 20003 2` )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                       ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                       ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                                     ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                                     ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp1=( $(mke 20000 2) $(mke 20001 2) $(mke 20002 2) $(mke 20003 2) )
+
+
+In udp_tunnel_nic.sh line 421:
+    NSIM_NETDEV=`get_netdev_name old_netdevs`
+                ^---------------------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    NSIM_NETDEV=$(get_netdev_name old_netdevs)
+
+
+In udp_tunnel_nic.sh line 422:
+    ip link set dev $NSIM_NETDEV up
+                    ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ip link set dev "$NSIM_NETDEV" up
+
+
+In udp_tunnel_nic.sh line 428:
+    exp0=( `mke 10000 1` `mke 10004 1` `mke 10002 1` `mke 10003 1` )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                       ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                       ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                                     ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                                     ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 10000 1) $(mke 10004 1) $(mke 10002 1) $(mke 10003 1) )
+
+
+In udp_tunnel_nic.sh line 432:
+    exp0=( `mke 10000 1` `mke 10004 1` 0 `mke 10003 1` )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 10000 1) $(mke 10004 1) 0 $(mke 10003 1) )
+
+
+In udp_tunnel_nic.sh line 436:
+    exp1=( `mke 20000 2` `mke 20004 2` `mke 20002 2` `mke 20003 2` )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                       ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                       ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                                     ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                                     ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp1=( $(mke 20000 2) $(mke 20004 2) $(mke 20002 2) $(mke 20003 2) )
+
+
+In udp_tunnel_nic.sh line 440:
+    exp1=( `mke 20000 2` `mke 20004 2` 0 `mke 20003 2` )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp1=( $(mke 20000 2) $(mke 20004 2) 0 $(mke 20003 2) )
+
+
+In udp_tunnel_nic.sh line 444:
+    exp1=( `mke 20000 2` `mke 20004 2` `mke 30001 4` `mke 20003 2` )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                       ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                       ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                                     ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                                     ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp1=( $(mke 20000 2) $(mke 20004 2) $(mke 30001 4) $(mke 20003 2) )
+
+
+In udp_tunnel_nic.sh line 445:
+    new_vxlan vxlanG0 30001 $NSIM_NETDEV 4 "gpe external"
+                            ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlanG0 30001 "$NSIM_NETDEV" 4 "gpe external"
+
+
+In udp_tunnel_nic.sh line 448:
+    new_vxlan vxlanG1 30002 $NSIM_NETDEV 4 "gpe external"
+                            ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlanG1 30002 "$NSIM_NETDEV" 4 "gpe external"
+
+
+In udp_tunnel_nic.sh line 450:
+    new_vxlan vxlanG2 30002 $NSIM_NETDEV 6 "gpe external"
+                            ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlanG2 30002 "$NSIM_NETDEV" 6 "gpe external"
+
+
+In udp_tunnel_nic.sh line 452:
+    exp1=( `mke 20000 2` `mke 30002 4` `mke 30001 4` `mke 20003 2` )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                       ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                       ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                                     ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                                     ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp1=( $(mke 20000 2) $(mke 30002 4) $(mke 30001 4) $(mke 20003 2) )
+
+
+In udp_tunnel_nic.sh line 478:
+    NSIM_NETDEV=`get_netdev_name old_netdevs`
+                ^---------------------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    NSIM_NETDEV=$(get_netdev_name old_netdevs)
+
+
+In udp_tunnel_nic.sh line 479:
+    ip link set dev $NSIM_NETDEV up
+                    ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ip link set dev "$NSIM_NETDEV" up
+
+
+In udp_tunnel_nic.sh line 485:
+    exp0=( `mke 10000 1` `mke 10004 1` `mke 10002 1` `mke 10003 1` )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                       ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                       ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                                     ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                                     ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 10000 1) $(mke 10004 1) $(mke 10002 1) $(mke 10003 1) )
+
+
+In udp_tunnel_nic.sh line 489:
+    exp0=( `mke 10000 1` `mke 10004 1` 0 `mke 10003 1` )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 10000 1) $(mke 10004 1) 0 $(mke 10003 1) )
+
+
+In udp_tunnel_nic.sh line 493:
+    exp1=( `mke 20000 2` `mke 20004 2` `mke 20002 2` `mke 20003 2` )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                       ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                       ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                                     ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                                     ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp1=( $(mke 20000 2) $(mke 20004 2) $(mke 20002 2) $(mke 20003 2) )
+
+
+In udp_tunnel_nic.sh line 497:
+    exp1=( `mke 20000 2` `mke 20004 2` 0 `mke 20003 2` )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp1=( $(mke 20000 2) $(mke 20004 2) 0 $(mke 20003 2) )
+
+
+In udp_tunnel_nic.sh line 501:
+    exp1=( `mke 20000 2` `mke 20004 2` `mke 30001 4` `mke 20003 2` )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                       ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                       ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                                     ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                                     ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp1=( $(mke 20000 2) $(mke 20004 2) $(mke 30001 4) $(mke 20003 2) )
+
+
+In udp_tunnel_nic.sh line 502:
+    new_vxlan vxlanG0 30001 $NSIM_NETDEV 4 "gpe external"
+                            ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlanG0 30001 "$NSIM_NETDEV" 4 "gpe external"
+
+
+In udp_tunnel_nic.sh line 505:
+    new_vxlan vxlanG1 30002 $NSIM_NETDEV 4 "gpe external"
+                            ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlanG1 30002 "$NSIM_NETDEV" 4 "gpe external"
+
+
+In udp_tunnel_nic.sh line 507:
+    new_vxlan vxlanG2 30002 $NSIM_NETDEV 6 "gpe external"
+                            ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlanG2 30002 "$NSIM_NETDEV" 6 "gpe external"
+
+
+In udp_tunnel_nic.sh line 509:
+    exp1=( `mke 20000 2` `mke 30002 4` `mke 30001 4` `mke 20003 2` )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                         ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                         ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                       ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                       ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                                     ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                                     ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp1=( $(mke 20000 2) $(mke 30002 4) $(mke 30001 4) $(mke 20003 2) )
+
+
+In udp_tunnel_nic.sh line 534:
+    NSIM_NETDEV=`get_netdev_name old_netdevs`
+                ^---------------------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    NSIM_NETDEV=$(get_netdev_name old_netdevs)
+
+
+In udp_tunnel_nic.sh line 535:
+    ip link set dev $NSIM_NETDEV up
+                    ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ip link set dev "$NSIM_NETDEV" up
+
+
+In udp_tunnel_nic.sh line 563:
+    NSIM_NETDEV=`get_netdev_name old_netdevs`
+                ^---------------------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    NSIM_NETDEV=$(get_netdev_name old_netdevs)
+
+
+In udp_tunnel_nic.sh line 564:
+    ip link set dev $NSIM_NETDEV up
+                    ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ip link set dev "$NSIM_NETDEV" up
+
+
+In udp_tunnel_nic.sh line 567:
+    new_vxlan vxlanA0 10000 $NSIM_NETDEV 6
+                            ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlanA0 10000 "$NSIM_NETDEV" 6
+
+
+In udp_tunnel_nic.sh line 570:
+    new_vxlan vxlanA1 10000 $NSIM_NETDEV 6
+                            ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlanA1 10000 "$NSIM_NETDEV" 6
+
+
+In udp_tunnel_nic.sh line 577:
+    exp0=( `mke 10000 1` 0 0 0 )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 10000 1) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 578:
+    new_vxlan vxlan0 10000 $NSIM_NETDEV
+                           ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlan0 10000 "$NSIM_NETDEV"
+
+
+In udp_tunnel_nic.sh line 586:
+    exp0=( `mke 10000 1` 0 0 0 )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 10000 1) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 595:
+    exp0=( `mke 10000 1` 0 0 0 )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 10000 1) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 596:
+    new_vxlan vxlan0 10000 $NSIM_NETDEV
+                           ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlan0 10000 "$NSIM_NETDEV"
+
+
+In udp_tunnel_nic.sh line 623:
+    NSIM_NETDEV=`get_netdev_name old_netdevs`
+                ^---------------------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    NSIM_NETDEV=$(get_netdev_name old_netdevs)
+
+
+In udp_tunnel_nic.sh line 624:
+    ip link set dev $NSIM_NETDEV up
+                    ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ip link set dev "$NSIM_NETDEV" up
+
+
+In udp_tunnel_nic.sh line 630:
+    new_vxlan vxlanA0 10000 $NSIM_NETDEV 6
+                            ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlanA0 10000 "$NSIM_NETDEV" 6
+
+
+In udp_tunnel_nic.sh line 633:
+    exp0=( `mke 10000 1` 0 0 0 )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 10000 1) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 634:
+    new_vxlan vxlan0 10000 $NSIM_NETDEV
+                           ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlan0 10000 "$NSIM_NETDEV"
+
+
+In udp_tunnel_nic.sh line 644:
+    exp1=( `mke 20000 2` 0 0 0 )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp1=( $(mke 20000 2) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 649:
+    exp1=( `mke 20000 2` 0 0 0 )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp1=( $(mke 20000 2) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 653:
+    exp1=( 0 `mke 20001 2` 0 0 )
+             ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+             ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp1=( 0 $(mke 20001 2) 0 0 )
+
+
+In udp_tunnel_nic.sh line 678:
+    NSIM_NETDEV=`get_netdev_name old_netdevs`
+                ^---------------------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    NSIM_NETDEV=$(get_netdev_name old_netdevs)
+
+
+In udp_tunnel_nic.sh line 679:
+    ip link set dev $NSIM_NETDEV up
+                    ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ip link set dev "$NSIM_NETDEV" up
+
+
+In udp_tunnel_nic.sh line 682:
+    exp0=( `mke 10000 1` 0 0 0 )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 10000 1) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 683:
+    new_vxlan vxlanA0 10000 $NSIM_NETDEV 6
+                            ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlanA0 10000 "$NSIM_NETDEV" 6
+
+
+In udp_tunnel_nic.sh line 686:
+    new_vxlan vxlan0 10000 $NSIM_NETDEV
+                           ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlan0 10000 "$NSIM_NETDEV"
+
+
+In udp_tunnel_nic.sh line 690:
+    ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload off
+               ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ethtool -K "$NSIM_NETDEV" rx-udp_tunnel-port-offload off
+
+
+In udp_tunnel_nic.sh line 694:
+    exp0=( `mke 10000 1` 0 0 0 )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 10000 1) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 695:
+    ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload on
+               ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ethtool -K "$NSIM_NETDEV" rx-udp_tunnel-port-offload on
+
+
+In udp_tunnel_nic.sh line 704:
+    ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload off
+               ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ethtool -K "$NSIM_NETDEV" rx-udp_tunnel-port-offload off
+
+
+In udp_tunnel_nic.sh line 708:
+    new_vxlan vxlan0 10000 $NSIM_NETDEV
+                           ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlan0 10000 "$NSIM_NETDEV"
+
+
+In udp_tunnel_nic.sh line 711:
+    exp0=( `mke 10000 1` 0 0 0 )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 10000 1) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 712:
+    ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload on
+               ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ethtool -K "$NSIM_NETDEV" rx-udp_tunnel-port-offload on
+
+
+In udp_tunnel_nic.sh line 737:
+    NSIM_NETDEV=`get_netdev_name old_netdevs`
+                ^---------------------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    NSIM_NETDEV=$(get_netdev_name old_netdevs)
+
+
+In udp_tunnel_nic.sh line 738:
+    ip link set dev $NSIM_NETDEV up
+                    ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ip link set dev "$NSIM_NETDEV" up
+
+
+In udp_tunnel_nic.sh line 741:
+    exp0=( `mke 10000 1` 0 0 0 )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 10000 1) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 742:
+    new_vxlan vxlanA0 10000 $NSIM_NETDEV 6
+                            ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlanA0 10000 "$NSIM_NETDEV" 6
+
+
+In udp_tunnel_nic.sh line 745:
+    new_vxlan vxlan0 10000 $NSIM_NETDEV
+                           ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    new_vxlan vxlan0 10000 "$NSIM_NETDEV"
+
+
+In udp_tunnel_nic.sh line 751:
+    ip link set dev $NSIM_NETDEV down
+                    ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ip link set dev "$NSIM_NETDEV" down
+
+
+In udp_tunnel_nic.sh line 762:
+    ip link set dev $NSIM_NETDEV up
+                    ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ip link set dev "$NSIM_NETDEV" up
+
+
+In udp_tunnel_nic.sh line 763:
+    exp0=( `mke 10000 1` 0 0 0 )
+           ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 10000 1) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 796:
+NSIM_NETDEV=`get_netdev_name old_netdevs`
+            ^---------------------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+NSIM_NETDEV=$(get_netdev_name old_netdevs)
+
+
+In udp_tunnel_nic.sh line 799:
+NSIM_NETDEV2=`get_netdev_name old_netdevs`
+             ^---------------------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+NSIM_NETDEV2=$(get_netdev_name old_netdevs)
+
+
+In udp_tunnel_nic.sh line 802:
+exp0=( `mke 4789 1` 0 0 0 )
+       ^----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+       ^----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+exp0=( $(mke 4789 1) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 804:
+new_vxlan vxlan0 4789 $NSIM_NETDEV
+                      ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+new_vxlan vxlan0 4789 "$NSIM_NETDEV"
+
+
+In udp_tunnel_nic.sh line 805:
+new_vxlan vxlan1 4789 $NSIM_NETDEV2
+                      ^-----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+new_vxlan vxlan1 4789 "$NSIM_NETDEV2"
+
+
+In udp_tunnel_nic.sh line 818:
+exp0=( `mke 4789 1` `mke 4790 1` 0 0 )
+       ^----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+       ^----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                    ^----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                    ^----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+exp0=( $(mke 4789 1) $(mke 4790 1) 0 0 )
+
+
+In udp_tunnel_nic.sh line 819:
+new_vxlan vxlanC 4790 $NSIM_NETDEV 6
+                      ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+new_vxlan vxlanC 4790 "$NSIM_NETDEV" 6
+
+
+In udp_tunnel_nic.sh line 822:
+exp1=( `mke 6081 2` 0 0 0 )
+       ^----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+       ^----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+exp1=( $(mke 6081 2) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 826:
+ip link set dev $NSIM_NETDEV down
+                ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+ip link set dev "$NSIM_NETDEV" down
+
+
+In udp_tunnel_nic.sh line 830:
+ip link set dev $NSIM_NETDEV up
+                ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+ip link set dev "$NSIM_NETDEV" up
+
+
+In udp_tunnel_nic.sh line 833:
+for i in `seq 2`; do
+         ^-----^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+for i in $(seq 2); do
+
+
+In udp_tunnel_nic.sh line 835:
+    ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload off
+               ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ethtool -K "$NSIM_NETDEV" rx-udp_tunnel-port-offload off
+
+
+In udp_tunnel_nic.sh line 841:
+    ethtool -K $NSIM_NETDEV2 rx-udp_tunnel-port-offload off
+               ^-----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ethtool -K "$NSIM_NETDEV2" rx-udp_tunnel-port-offload off
+
+
+In udp_tunnel_nic.sh line 845:
+    exp0=( `mke 4789 1` `mke 4790 1` 0 0 )
+           ^----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                        ^----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                        ^----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp0=( $(mke 4789 1) $(mke 4790 1) 0 0 )
+
+
+In udp_tunnel_nic.sh line 846:
+    exp1=( `mke 6081 2` 0 0 0 )
+           ^----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+           ^----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+    exp1=( $(mke 6081 2) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 847:
+    ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload on
+               ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ethtool -K "$NSIM_NETDEV" rx-udp_tunnel-port-offload on
+
+
+In udp_tunnel_nic.sh line 851:
+    ethtool -K $NSIM_NETDEV2 rx-udp_tunnel-port-offload on
+               ^-----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+    ethtool -K "$NSIM_NETDEV2" rx-udp_tunnel-port-offload on
+
+
+In udp_tunnel_nic.sh line 867:
+NSIM_NETDEV=`get_netdev_name old_netdevs`
+            ^---------------------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+NSIM_NETDEV=$(get_netdev_name old_netdevs)
+
+
+In udp_tunnel_nic.sh line 871:
+exp0=( `mke 10000 1` `mke 10004 1` `mke 10002 1` `mke 10003 1` )
+       ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+       ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                     ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                     ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                   ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                   ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                                 ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                                 ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+exp0=( $(mke 10000 1) $(mke 10004 1) $(mke 10002 1) $(mke 10003 1) )
+
+
+In udp_tunnel_nic.sh line 875:
+exp0=( `mke 10000 1` `mke 10004 1` 0 `mke 10003 1` )
+       ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+       ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                     ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                     ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+                                     ^-----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                                     ^-----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+exp0=( $(mke 10000 1) $(mke 10004 1) 0 $(mke 10003 1) )
+
+
+In udp_tunnel_nic.sh line 899:
+STATIC_ENTRIES=( `mke 4789 1` )
+                 ^----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+                 ^----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+STATIC_ENTRIES=( $(mke 4789 1) )
+
+
+In udp_tunnel_nic.sh line 902:
+old_netdevs=$(ls /sys/class/net)
+^---------^ SC2034 (warning): old_netdevs appears unused. Verify use (or export if used externally).
+
+
+In udp_tunnel_nic.sh line 904:
+NSIM_NETDEV=`get_netdev_name old_netdevs`
+            ^---------------------------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+NSIM_NETDEV=$(get_netdev_name old_netdevs)
+
+
+In udp_tunnel_nic.sh line 912:
+new_vxlan vxlan0 4789 $NSIM_NETDEV
+                      ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+new_vxlan vxlan0 4789 "$NSIM_NETDEV"
+
+
+In udp_tunnel_nic.sh line 913:
+new_vxlan vxlan1 4789 $NSIM_NETDEV
+                      ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+new_vxlan vxlan1 4789 "$NSIM_NETDEV"
+
+
+In udp_tunnel_nic.sh line 916:
+exp0=( `mke 4790 1` 0 0 0 )
+       ^----------^ SC2207 (warning): Prefer mapfile or read -a to split command output (or quote to avoid splitting).
+       ^----------^ SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
+
+Did you mean: 
+exp0=( $(mke 4790 1) 0 0 0 )
+
+
+In udp_tunnel_nic.sh line 917:
+new_vxlan vxlan2 4790 $NSIM_NETDEV
+                      ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+new_vxlan vxlan2 4790 "$NSIM_NETDEV"
+
+
+In udp_tunnel_nic.sh line 922:
+exp0=( 0 0 0 0 )
+^--^ SC2034 (warning): exp0 appears unused. Verify use (or export if used externally).
+
+
+In udp_tunnel_nic.sh line 923:
+exp1=( 0 0 0 0 )
+^--^ SC2034 (warning): exp1 appears unused. Verify use (or export if used externally).
+
+For more information:
+  https://www.shellcheck.net/wiki/SC2068 -- Double quote array expansions to ...
+  https://www.shellcheck.net/wiki/SC2034 -- exp0 appears unused. Verify use (...
+  https://www.shellcheck.net/wiki/SC2069 -- To redirect stdout+stderr, 2>&1 m...