make -C tools/testing/selftests TARGETS=drivers/net/netdevsim TEST_PROGS=ppeer.sh TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-13/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-13/tools/testing/selftests/drivers/net/netdevsim'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-13/tools/testing/selftests/drivers/net/netdevsim'
make[1]: Entering directory '/home/virtme/testing-13/tools/testing/selftests/drivers/net/netdevsim'
TAP version 13
1..1
# timeout set to 1200
# selftests: drivers/net/netdevsim: peer.sh
[  470.963631] netdevsim netdevsim459 eni459np1: renamed from eth0
[  470.968233] netdevsim netdevsim555 eni555np1: renamed from eth1
[  471.271965] Could not find device with ifindex 2000 in netnsfd 11
[  471.272528] Could not find netns with fd: 2000
[  471.272850] Cannot link a netdevsim to itself
[  471.273187] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).
ok 1 selftests: drivers/net/netdevsim: peer.sh
make[1]: Leaving directory '/home/virtme/testing-13/tools/testing/selftests/drivers/net/netdevsim'
make: Leaving directory '/home/virtme/testing-13/tools/testing/selftests'
xx__-> echo $?
0
xx__->