make -C tools/testing/selftests TARGETS="net" TEST_PROGS=test_bridge_backuup_port.sh TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-3/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
TAP version 13
1..1
# overriding timeout to 7200
# selftests: net: test_bridge_backup_port.sh
# ./test_bridge_backup_port.sh: line 165: 31266 Segmentation fault      ip -n $ns link add name br0 up type bridge vlan_filtering 1 vlan_default_pvid 0 mcast_snooping 0
not ok 1 selftests: net: test_bridge_backup_port.sh # exit=139
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make: Leaving directory '/home/virtme/testing-3/tools/testing/selftests'
xx__-> echo $?
0
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
xx__->