../net/core/neighbour.c:431:9: warning: context imbalance in '__neigh_ifdown' - wrong count at exit ../net/core/neighbour.c:823:9: warning: context imbalance in 'pneigh_ifdown_and_unlock' - unexpected unlock ../net/can/j1939/main.c: note: in included file (through ../include/linux/can/can-ml.h): ../include/linux/netdevice.h:2635:20: warning: context imbalance in '__j1939_rx_release' - wrong count at exit ../drivers/net/can/peak_canfd/peak_pciefd_main.c:146:32: warning: array of flexible structures ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?