ShellCheck - shell script analysis tool
version: 0.10.0
license: GNU General Public License, version 3
website: https://www.shellcheck.net
Redirect to /tmp/tmp.JMiaAZxNFV and /tmp/tmp.C7em1XU5oo
Tree base:
7f864458e9a6 ("net: stmmac: dwmac-rk: Fix disabling set_clock_selection")
Now at:
4867763a8c68 ("selftests: net: fix server bind failure in sctp_vrf.sh")
 ====== Checking before the patch ======
Checking tools/testing/selftests/net/sctp_vrf.sh - 26eb6cbdf0bcf0a9e136aca301140628a0ae8a0dd567cf7540f654bef7b73c4a


In sctp_vrf.sh line 23:
	ip net exec $CLIENT_NS1 sysctl -w net.ipv6.conf.default.accept_dad=0 2>&1 >/dev/null
                    ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                    ^---------^ SC2153 (info): Possible misspelling: CLIENT_NS1 may not be assigned. Did you mean CLIENT_NS?
                                                                             ^--^ SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).

Did you mean: 
	ip net exec "$CLIENT_NS1" sysctl -w net.ipv6.conf.default.accept_dad=0 2>&1 >/dev/null


In sctp_vrf.sh line 24:
	ip net exec $CLIENT_NS2 sysctl -w net.ipv6.conf.default.accept_dad=0 2>&1 >/dev/null
                    ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                    ^---------^ SC2153 (info): Possible misspelling: CLIENT_NS2 may not be assigned. Did you mean CLIENT_NS?
                                                                             ^--^ SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).

Did you mean: 
	ip net exec "$CLIENT_NS2" sysctl -w net.ipv6.conf.default.accept_dad=0 2>&1 >/dev/null


In sctp_vrf.sh line 25:
	ip net exec $SERVER_NS sysctl -w net.ipv6.conf.default.accept_dad=0 2>&1 >/dev/null
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                            ^--^ SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).

Did you mean: 
	ip net exec "$SERVER_NS" sysctl -w net.ipv6.conf.default.accept_dad=0 2>&1 >/dev/null


In sctp_vrf.sh line 27:
	ip -n $SERVER_NS link add veth1 type veth peer name veth1 netns $CLIENT_NS1
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                        ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link add veth1 type veth peer name veth1 netns "$CLIENT_NS1"


In sctp_vrf.sh line 28:
	ip -n $SERVER_NS link add veth2 type veth peer name veth1 netns $CLIENT_NS2
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                        ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link add veth2 type veth peer name veth1 netns "$CLIENT_NS2"


In sctp_vrf.sh line 30:
	ip -n $CLIENT_NS1 link set veth1 up
              ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$CLIENT_NS1" link set veth1 up


In sctp_vrf.sh line 31:
	ip -n $CLIENT_NS1 addr add $CLIENT_IP4/24 dev veth1
              ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$CLIENT_NS1" addr add $CLIENT_IP4/24 dev veth1


In sctp_vrf.sh line 32:
	ip -n $CLIENT_NS1 addr add $CLIENT_IP6/24 dev veth1
              ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$CLIENT_NS1" addr add $CLIENT_IP6/24 dev veth1


In sctp_vrf.sh line 34:
	ip -n $CLIENT_NS2 link set veth1 up
              ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$CLIENT_NS2" link set veth1 up


In sctp_vrf.sh line 35:
	ip -n $CLIENT_NS2 addr add $CLIENT_IP4/24 dev veth1
              ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$CLIENT_NS2" addr add $CLIENT_IP4/24 dev veth1


In sctp_vrf.sh line 36:
	ip -n $CLIENT_NS2 addr add $CLIENT_IP6/24 dev veth1
              ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$CLIENT_NS2" addr add $CLIENT_IP6/24 dev veth1


In sctp_vrf.sh line 38:
	ip -n $SERVER_NS link add dummy1 type dummy
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link add dummy1 type dummy


In sctp_vrf.sh line 39:
	ip -n $SERVER_NS link set dummy1 up
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link set dummy1 up


In sctp_vrf.sh line 40:
	ip -n $SERVER_NS link add vrf-1 type vrf table 10
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link add vrf-1 type vrf table 10


In sctp_vrf.sh line 41:
	ip -n $SERVER_NS link add vrf-2 type vrf table 20
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link add vrf-2 type vrf table 20


In sctp_vrf.sh line 42:
	ip -n $SERVER_NS link set vrf-1 up
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link set vrf-1 up


In sctp_vrf.sh line 43:
	ip -n $SERVER_NS link set vrf-2 up
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link set vrf-2 up


In sctp_vrf.sh line 44:
	ip -n $SERVER_NS link set veth1 master vrf-1
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link set veth1 master vrf-1


In sctp_vrf.sh line 45:
	ip -n $SERVER_NS link set veth2 master vrf-2
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link set veth2 master vrf-2


In sctp_vrf.sh line 47:
	ip -n $SERVER_NS addr add $SERVER_IP4/24 dev dummy1
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" addr add $SERVER_IP4/24 dev dummy1


In sctp_vrf.sh line 48:
	ip -n $SERVER_NS addr add $SERVER_IP4/24 dev veth1
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" addr add $SERVER_IP4/24 dev veth1


In sctp_vrf.sh line 49:
	ip -n $SERVER_NS addr add $SERVER_IP4/24 dev veth2
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" addr add $SERVER_IP4/24 dev veth2


In sctp_vrf.sh line 50:
	ip -n $SERVER_NS addr add $SERVER_IP6/24 dev dummy1
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" addr add $SERVER_IP6/24 dev dummy1


In sctp_vrf.sh line 51:
	ip -n $SERVER_NS addr add $SERVER_IP6/24 dev veth1
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" addr add $SERVER_IP6/24 dev veth1


In sctp_vrf.sh line 52:
	ip -n $SERVER_NS addr add $SERVER_IP6/24 dev veth2
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" addr add $SERVER_IP6/24 dev veth2


In sctp_vrf.sh line 54:
	ip -n $SERVER_NS link set veth1 up
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link set veth1 up


In sctp_vrf.sh line 55:
	ip -n $SERVER_NS link set veth2 up
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link set veth2 up


In sctp_vrf.sh line 56:
	ip -n $SERVER_NS route add table 10 $CLIENT_IP4 dev veth1 src $SERVER_IP4
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" route add table 10 $CLIENT_IP4 dev veth1 src $SERVER_IP4


In sctp_vrf.sh line 57:
	ip -n $SERVER_NS route add table 20 $CLIENT_IP4 dev veth2 src $SERVER_IP4
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" route add table 20 $CLIENT_IP4 dev veth2 src $SERVER_IP4


In sctp_vrf.sh line 58:
	ip -n $SERVER_NS route add $CLIENT_IP4 dev veth1 src $SERVER_IP4
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" route add $CLIENT_IP4 dev veth1 src $SERVER_IP4


In sctp_vrf.sh line 59:
	ip -n $SERVER_NS route add table 10 $CLIENT_IP6 dev veth1 src $SERVER_IP6
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" route add table 10 $CLIENT_IP6 dev veth1 src $SERVER_IP6


In sctp_vrf.sh line 60:
	ip -n $SERVER_NS route add table 20 $CLIENT_IP6 dev veth2 src $SERVER_IP6
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" route add table 20 $CLIENT_IP6 dev veth2 src $SERVER_IP6


In sctp_vrf.sh line 61:
	ip -n $SERVER_NS route add $CLIENT_IP6 dev veth1 src $SERVER_IP6
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" route add $CLIENT_IP6 dev veth1 src $SERVER_IP6


In sctp_vrf.sh line 65:
	ip netns exec $SERVER_NS pkill sctp_hello 2>&1 >/dev/null
                      ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                  ^--^ SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).

Did you mean: 
	ip netns exec "$SERVER_NS" pkill sctp_hello 2>&1 >/dev/null


In sctp_vrf.sh line 66:
	cleanup_ns $CLIENT_NS1 $CLIENT_NS2 $SERVER_NS
                   ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                               ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                           ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	cleanup_ns "$CLIENT_NS1" "$CLIENT_NS2" "$SERVER_NS"


In sctp_vrf.sh line 73:
	until ip netns exec $SERVER_NS ss -lS src $SERVER_IP:$SERVER_PORT | \
                            ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                  ^--------^ SC2153 (info): Possible misspelling: SERVER_IP may not be assigned. Did you mean SERVER_IP4?

Did you mean: 
	until ip netns exec "$SERVER_NS" ss -lS src $SERVER_IP:$SERVER_PORT | \


In sctp_vrf.sh line 74:
		grep LISTEN | grep "$IFACE" 2>&1 >/dev/null; do
                                            ^--^ SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).


In sctp_vrf.sh line 84:
	ip netns exec $SERVER_NS pkill sctp_hello 2>&1 >/dev/null
                      ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                  ^--^ SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).

Did you mean: 
	ip netns exec "$SERVER_NS" pkill sctp_hello 2>&1 >/dev/null


In sctp_vrf.sh line 85:
	ip netns exec $SERVER_NS ./sctp_hello server $AF $SERVER_IP \
                      ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip netns exec "$SERVER_NS" ./sctp_hello server $AF $SERVER_IP \


In sctp_vrf.sh line 86:
		$SERVER_PORT $IFACE 2>&1 >/dev/null &
                             ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                    ^--^ SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).

Did you mean: 
		$SERVER_PORT "$IFACE" 2>&1 >/dev/null &


In sctp_vrf.sh line 88:
	wait_server $IFACE || return $RET
                    ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	wait_server "$IFACE" || return $RET


In sctp_vrf.sh line 89:
	timeout 3 ip netns exec $CLIENT_NS ./sctp_hello client $AF \
                                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	timeout 3 ip netns exec "$CLIENT_NS" ./sctp_hello client $AF \


In sctp_vrf.sh line 90:
		$SERVER_IP $SERVER_PORT $CLIENT_IP $CLIENT_PORT 2>&1 >/dev/null
                                        ^--------^ SC2153 (info): Possible misspelling: CLIENT_IP may not be assigned. Did you mean CLIENT_IP4?
                                                                ^--^ SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).


In sctp_vrf.sh line 99:
	ip netns exec $SERVER_NS pkill sctp_hello 2>&1 >/dev/null
                      ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                  ^--^ SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).

Did you mean: 
	ip netns exec "$SERVER_NS" pkill sctp_hello 2>&1 >/dev/null


In sctp_vrf.sh line 100:
	ip netns exec $SERVER_NS ./sctp_hello server $AF $SERVER_IP \
                      ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip netns exec "$SERVER_NS" ./sctp_hello server $AF $SERVER_IP \


In sctp_vrf.sh line 101:
		$SERVER_PORT $IFACE1 2>&1 >/dev/null &
                             ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                     ^--^ SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).

Did you mean: 
		$SERVER_PORT "$IFACE1" 2>&1 >/dev/null &


In sctp_vrf.sh line 103:
	wait_server $IFACE1 || return $RET
                    ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	wait_server "$IFACE1" || return $RET


In sctp_vrf.sh line 104:
	ip netns exec $SERVER_NS ./sctp_hello server $AF $SERVER_IP \
                      ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip netns exec "$SERVER_NS" ./sctp_hello server $AF $SERVER_IP \


In sctp_vrf.sh line 105:
		$SERVER_PORT $IFACE2 2>&1 >/dev/null &
                             ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                     ^--^ SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).

Did you mean: 
		$SERVER_PORT "$IFACE2" 2>&1 >/dev/null &


In sctp_vrf.sh line 107:
	wait_server $IFACE2 || return $RET
                    ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	wait_server "$IFACE2" || return $RET


In sctp_vrf.sh line 108:
	timeout 3 ip netns exec $CLIENT_NS1 ./sctp_hello client $AF \
                                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	timeout 3 ip netns exec "$CLIENT_NS1" ./sctp_hello client $AF \


In sctp_vrf.sh line 109:
		$SERVER_IP $SERVER_PORT $CLIENT_IP $CLIENT_PORT 2>&1 >/dev/null && \
                                                                ^--^ SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).


In sctp_vrf.sh line 110:
	timeout 3 ip netns exec $CLIENT_NS2 ./sctp_hello client $AF \
                                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	timeout 3 ip netns exec "$CLIENT_NS2" ./sctp_hello client $AF \


In sctp_vrf.sh line 111:
		$SERVER_IP $SERVER_PORT $CLIENT_IP $CLIENT_PORT 2>&1 >/dev/null
                                                                ^--^ SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).


In sctp_vrf.sh line 117:
	ip netns exec $SERVER_NS sysctl -w net.sctp.l3mdev_accept=1 2>&1 >/dev/null
                      ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                    ^--^ SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).

Did you mean: 
	ip netns exec "$SERVER_NS" sysctl -w net.sctp.l3mdev_accept=1 2>&1 >/dev/null


In sctp_vrf.sh line 119:
	do_test $CLIENT_NS1 || { echo "[FAIL]"; return $RET; }
                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	do_test "$CLIENT_NS1" || { echo "[FAIL]"; return $RET; }


In sctp_vrf.sh line 123:
	do_test $CLIENT_NS2 && { echo "[FAIL]"; return $RET; }
                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	do_test "$CLIENT_NS2" && { echo "[FAIL]"; return $RET; }


In sctp_vrf.sh line 126:
	ip netns exec $SERVER_NS sysctl -w net.sctp.l3mdev_accept=0 2>&1 >/dev/null
                      ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                    ^--^ SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).

Did you mean: 
	ip netns exec "$SERVER_NS" sysctl -w net.sctp.l3mdev_accept=0 2>&1 >/dev/null


In sctp_vrf.sh line 128:
	do_test $CLIENT_NS1 && { echo "[FAIL]"; return $RET; }
                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	do_test "$CLIENT_NS1" && { echo "[FAIL]"; return $RET; }


In sctp_vrf.sh line 132:
	do_test $CLIENT_NS2 && { echo "[FAIL]"; return $RET; }
                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	do_test "$CLIENT_NS2" && { echo "[FAIL]"; return $RET; }


In sctp_vrf.sh line 136:
	do_test $CLIENT_NS1 veth2 && { echo "[FAIL]"; return $RET; }
                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	do_test "$CLIENT_NS1" veth2 && { echo "[FAIL]"; return $RET; }


In sctp_vrf.sh line 140:
	do_test $CLIENT_NS1 veth1 || { echo "[FAIL]"; return $RET; }
                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	do_test "$CLIENT_NS1" veth1 || { echo "[FAIL]"; return $RET; }


In sctp_vrf.sh line 144:
	do_test $CLIENT_NS1 vrf-1 || { echo "[FAIL]"; return $RET; }
                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	do_test "$CLIENT_NS1" vrf-1 || { echo "[FAIL]"; return $RET; }


In sctp_vrf.sh line 148:
	do_test $CLIENT_NS1 vrf-2 && { echo "[FAIL]"; return $RET; }
                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	do_test "$CLIENT_NS1" vrf-2 && { echo "[FAIL]"; return $RET; }


In sctp_vrf.sh line 152:
	do_test $CLIENT_NS2 vrf-2 || { echo "[FAIL]"; return $RET; }
                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	do_test "$CLIENT_NS2" vrf-2 || { echo "[FAIL]"; return $RET; }


In sctp_vrf.sh line 156:
	do_test $CLIENT_NS2 vrf-1 && { echo "[FAIL]"; return $RET; }
                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	do_test "$CLIENT_NS2" vrf-1 && { echo "[FAIL]"; return $RET; }

For more information:
  https://www.shellcheck.net/wiki/SC2069 -- To redirect stdout+stderr, 2>&1 m...
  https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ...
  https://www.shellcheck.net/wiki/SC2153 -- Possible misspelling: CLIENT_IP m...

 ====== Checking the tree with the patch ======
Checking tools/testing/selftests/net/sctp_vrf.sh - 26eb6cbdf0bcf0a9e136aca301140628a0ae8a0dd567cf7540f654bef7b73c4a


In sctp_vrf.sh line 23:
	ip net exec $CLIENT_NS1 sysctl -wq net.ipv6.conf.default.accept_dad=0
                    ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                    ^---------^ SC2153 (info): Possible misspelling: CLIENT_NS1 may not be assigned. Did you mean CLIENT_NS?

Did you mean: 
	ip net exec "$CLIENT_NS1" sysctl -wq net.ipv6.conf.default.accept_dad=0


In sctp_vrf.sh line 24:
	ip net exec $CLIENT_NS2 sysctl -wq net.ipv6.conf.default.accept_dad=0
                    ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                    ^---------^ SC2153 (info): Possible misspelling: CLIENT_NS2 may not be assigned. Did you mean CLIENT_NS?

Did you mean: 
	ip net exec "$CLIENT_NS2" sysctl -wq net.ipv6.conf.default.accept_dad=0


In sctp_vrf.sh line 25:
	ip net exec $SERVER_NS sysctl -wq net.ipv6.conf.default.accept_dad=0
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip net exec "$SERVER_NS" sysctl -wq net.ipv6.conf.default.accept_dad=0


In sctp_vrf.sh line 27:
	ip -n $SERVER_NS link add veth1 type veth peer name veth1 netns $CLIENT_NS1
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                        ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link add veth1 type veth peer name veth1 netns "$CLIENT_NS1"


In sctp_vrf.sh line 28:
	ip -n $SERVER_NS link add veth2 type veth peer name veth1 netns $CLIENT_NS2
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                        ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link add veth2 type veth peer name veth1 netns "$CLIENT_NS2"


In sctp_vrf.sh line 30:
	ip -n $CLIENT_NS1 link set veth1 up
              ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$CLIENT_NS1" link set veth1 up


In sctp_vrf.sh line 31:
	ip -n $CLIENT_NS1 addr add $CLIENT_IP4/24 dev veth1
              ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$CLIENT_NS1" addr add $CLIENT_IP4/24 dev veth1


In sctp_vrf.sh line 32:
	ip -n $CLIENT_NS1 addr add $CLIENT_IP6/24 dev veth1
              ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$CLIENT_NS1" addr add $CLIENT_IP6/24 dev veth1


In sctp_vrf.sh line 34:
	ip -n $CLIENT_NS2 link set veth1 up
              ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$CLIENT_NS2" link set veth1 up


In sctp_vrf.sh line 35:
	ip -n $CLIENT_NS2 addr add $CLIENT_IP4/24 dev veth1
              ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$CLIENT_NS2" addr add $CLIENT_IP4/24 dev veth1


In sctp_vrf.sh line 36:
	ip -n $CLIENT_NS2 addr add $CLIENT_IP6/24 dev veth1
              ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$CLIENT_NS2" addr add $CLIENT_IP6/24 dev veth1


In sctp_vrf.sh line 38:
	ip -n $SERVER_NS link add dummy1 type dummy
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link add dummy1 type dummy


In sctp_vrf.sh line 39:
	ip -n $SERVER_NS link set dummy1 up
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link set dummy1 up


In sctp_vrf.sh line 40:
	ip -n $SERVER_NS link add vrf-1 type vrf table 10
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link add vrf-1 type vrf table 10


In sctp_vrf.sh line 41:
	ip -n $SERVER_NS link add vrf-2 type vrf table 20
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link add vrf-2 type vrf table 20


In sctp_vrf.sh line 42:
	ip -n $SERVER_NS link set vrf-1 up
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link set vrf-1 up


In sctp_vrf.sh line 43:
	ip -n $SERVER_NS link set vrf-2 up
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link set vrf-2 up


In sctp_vrf.sh line 44:
	ip -n $SERVER_NS link set veth1 master vrf-1
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link set veth1 master vrf-1


In sctp_vrf.sh line 45:
	ip -n $SERVER_NS link set veth2 master vrf-2
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link set veth2 master vrf-2


In sctp_vrf.sh line 47:
	ip -n $SERVER_NS addr add $SERVER_IP4/24 dev dummy1
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" addr add $SERVER_IP4/24 dev dummy1


In sctp_vrf.sh line 48:
	ip -n $SERVER_NS addr add $SERVER_IP4/24 dev veth1
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" addr add $SERVER_IP4/24 dev veth1


In sctp_vrf.sh line 49:
	ip -n $SERVER_NS addr add $SERVER_IP4/24 dev veth2
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" addr add $SERVER_IP4/24 dev veth2


In sctp_vrf.sh line 50:
	ip -n $SERVER_NS addr add $SERVER_IP6/24 dev dummy1
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" addr add $SERVER_IP6/24 dev dummy1


In sctp_vrf.sh line 51:
	ip -n $SERVER_NS addr add $SERVER_IP6/24 dev veth1
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" addr add $SERVER_IP6/24 dev veth1


In sctp_vrf.sh line 52:
	ip -n $SERVER_NS addr add $SERVER_IP6/24 dev veth2
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" addr add $SERVER_IP6/24 dev veth2


In sctp_vrf.sh line 54:
	ip -n $SERVER_NS link set veth1 up
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link set veth1 up


In sctp_vrf.sh line 55:
	ip -n $SERVER_NS link set veth2 up
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" link set veth2 up


In sctp_vrf.sh line 56:
	ip -n $SERVER_NS route add table 10 $CLIENT_IP4 dev veth1 src $SERVER_IP4
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" route add table 10 $CLIENT_IP4 dev veth1 src $SERVER_IP4


In sctp_vrf.sh line 57:
	ip -n $SERVER_NS route add table 20 $CLIENT_IP4 dev veth2 src $SERVER_IP4
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" route add table 20 $CLIENT_IP4 dev veth2 src $SERVER_IP4


In sctp_vrf.sh line 58:
	ip -n $SERVER_NS route add $CLIENT_IP4 dev veth1 src $SERVER_IP4
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" route add $CLIENT_IP4 dev veth1 src $SERVER_IP4


In sctp_vrf.sh line 59:
	ip -n $SERVER_NS route add table 10 $CLIENT_IP6 dev veth1 src $SERVER_IP6
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" route add table 10 $CLIENT_IP6 dev veth1 src $SERVER_IP6


In sctp_vrf.sh line 60:
	ip -n $SERVER_NS route add table 20 $CLIENT_IP6 dev veth2 src $SERVER_IP6
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" route add table 20 $CLIENT_IP6 dev veth2 src $SERVER_IP6


In sctp_vrf.sh line 61:
	ip -n $SERVER_NS route add $CLIENT_IP6 dev veth1 src $SERVER_IP6
              ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip -n "$SERVER_NS" route add $CLIENT_IP6 dev veth1 src $SERVER_IP6


In sctp_vrf.sh line 65:
	wait_client $CLIENT_NS1
                    ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	wait_client "$CLIENT_NS1"


In sctp_vrf.sh line 66:
	wait_client $CLIENT_NS2
                    ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	wait_client "$CLIENT_NS2"


In sctp_vrf.sh line 68:
	cleanup_ns $CLIENT_NS1 $CLIENT_NS2 $SERVER_NS
                   ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                               ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                           ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	cleanup_ns "$CLIENT_NS1" "$CLIENT_NS2" "$SERVER_NS"


In sctp_vrf.sh line 75:
	ip netns exec $SERVER_NS ./sctp_hello server $AF $SERVER_IP $SERVER_PORT $IFACE &
                      ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                         ^--------^ SC2153 (info): Possible misspelling: SERVER_IP may not be assigned. Did you mean SERVER_IP4?
                                                                                 ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip netns exec "$SERVER_NS" ./sctp_hello server $AF $SERVER_IP $SERVER_PORT "$IFACE" &


In sctp_vrf.sh line 77:
	until ip netns exec $SERVER_NS ss -SlH | grep -q "$IFACE"; do
                            ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	until ip netns exec "$SERVER_NS" ss -SlH | grep -q "$IFACE"; do


In sctp_vrf.sh line 86:
	ip netns exec $SERVER_NS pkill sctp_hello
                      ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip netns exec "$SERVER_NS" pkill sctp_hello


In sctp_vrf.sh line 87:
	while ip netns exec $SERVER_NS ss -SaH | grep -q .; do
                            ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	while ip netns exec "$SERVER_NS" ss -SaH | grep -q .; do


In sctp_vrf.sh line 97:
	while ip netns exec $CLIENT_NS ss -SaH | grep -q .; do
                            ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	while ip netns exec "$CLIENT_NS" ss -SaH | grep -q .; do


In sctp_vrf.sh line 107:
	start_server $IFACE || return $RET
                     ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	start_server "$IFACE" || return $RET


In sctp_vrf.sh line 108:
	timeout 3 ip netns exec $CLIENT_NS ./sctp_hello client $AF \
                                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	timeout 3 ip netns exec "$CLIENT_NS" ./sctp_hello client $AF \


In sctp_vrf.sh line 109:
		$SERVER_IP $SERVER_PORT $CLIENT_IP $CLIENT_PORT
                                        ^--------^ SC2153 (info): Possible misspelling: CLIENT_IP may not be assigned. Did you mean CLIENT_IP4?


In sctp_vrf.sh line 111:
	wait_client $CLIENT_NS
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	wait_client "$CLIENT_NS"


In sctp_vrf.sh line 120:
	start_server $IFACE1 || return $RET
                     ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	start_server "$IFACE1" || return $RET


In sctp_vrf.sh line 121:
	start_server $IFACE2 || return $RET
                     ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	start_server "$IFACE2" || return $RET


In sctp_vrf.sh line 122:
	timeout 3 ip netns exec $CLIENT_NS1 ./sctp_hello client $AF \
                                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	timeout 3 ip netns exec "$CLIENT_NS1" ./sctp_hello client $AF \


In sctp_vrf.sh line 124:
	timeout 3 ip netns exec $CLIENT_NS2 ./sctp_hello client $AF \
                                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	timeout 3 ip netns exec "$CLIENT_NS2" ./sctp_hello client $AF \


In sctp_vrf.sh line 127:
	wait_client $CLIENT_NS1
                    ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	wait_client "$CLIENT_NS1"


In sctp_vrf.sh line 128:
	wait_client $CLIENT_NS2
                    ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	wait_client "$CLIENT_NS2"


In sctp_vrf.sh line 134:
	ip netns exec $SERVER_NS sysctl -wq net.sctp.l3mdev_accept=1
                      ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip netns exec "$SERVER_NS" sysctl -wq net.sctp.l3mdev_accept=1


In sctp_vrf.sh line 136:
	do_test $CLIENT_NS1 || { echo "[FAIL]"; return $RET; }
                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	do_test "$CLIENT_NS1" || { echo "[FAIL]"; return $RET; }


In sctp_vrf.sh line 140:
	do_test $CLIENT_NS2 && { echo "[FAIL]"; return $RET; }
                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	do_test "$CLIENT_NS2" && { echo "[FAIL]"; return $RET; }


In sctp_vrf.sh line 143:
	ip netns exec $SERVER_NS sysctl -wq net.sctp.l3mdev_accept=0
                      ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	ip netns exec "$SERVER_NS" sysctl -wq net.sctp.l3mdev_accept=0


In sctp_vrf.sh line 145:
	do_test $CLIENT_NS1 && { echo "[FAIL]"; return $RET; }
                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	do_test "$CLIENT_NS1" && { echo "[FAIL]"; return $RET; }


In sctp_vrf.sh line 149:
	do_test $CLIENT_NS2 && { echo "[FAIL]"; return $RET; }
                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	do_test "$CLIENT_NS2" && { echo "[FAIL]"; return $RET; }


In sctp_vrf.sh line 153:
	do_test $CLIENT_NS1 veth2 && { echo "[FAIL]"; return $RET; }
                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	do_test "$CLIENT_NS1" veth2 && { echo "[FAIL]"; return $RET; }


In sctp_vrf.sh line 157:
	do_test $CLIENT_NS1 veth1 || { echo "[FAIL]"; return $RET; }
                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	do_test "$CLIENT_NS1" veth1 || { echo "[FAIL]"; return $RET; }


In sctp_vrf.sh line 161:
	do_test $CLIENT_NS1 vrf-1 || { echo "[FAIL]"; return $RET; }
                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	do_test "$CLIENT_NS1" vrf-1 || { echo "[FAIL]"; return $RET; }


In sctp_vrf.sh line 165:
	do_test $CLIENT_NS1 vrf-2 && { echo "[FAIL]"; return $RET; }
                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	do_test "$CLIENT_NS1" vrf-2 && { echo "[FAIL]"; return $RET; }


In sctp_vrf.sh line 169:
	do_test $CLIENT_NS2 vrf-2 || { echo "[FAIL]"; return $RET; }
                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	do_test "$CLIENT_NS2" vrf-2 || { echo "[FAIL]"; return $RET; }


In sctp_vrf.sh line 173:
	do_test $CLIENT_NS2 vrf-1 && { echo "[FAIL]"; return $RET; }
                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	do_test "$CLIENT_NS2" vrf-1 && { echo "[FAIL]"; return $RET; }

For more information:
  https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ...
  https://www.shellcheck.net/wiki/SC2153 -- Possible misspelling: CLIENT_IP m...