make -C tools/testing/selftests TARGETS=net/tcp_ao TEST_PROGS=self-connectt_ipv4 TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-5/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-5/tools/testing/selftests/net/tcp_ao'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-5/tools/testing/selftests/net/tcp_ao'
make[1]: Entering directory '/home/virtme/testing-5/tools/testing/selftests/net/tcp_ao'
TAP version 13
1..1
# timeout set to 120
# selftests: net/tcp_ao: self-connect_ipv4
# 1..4
# # 1227[lib/setup.c:243] rand seed 1712675615
# TAP version 13
# not ok 1 # error 1227[lib/sock.c:82] setsockopt(SO_BINDTODEVICE, lo): Invalid argument
# # Planned tests != run tests (4 != 1)
# # Totals: pass:0 fail:0 xfail:0 xpass:0 skip:0 error:1
ok 1 selftests: net/tcp_ao: self-connect_ipv4
make[1]: Leaving directory '/home/virtme/testing-5/tools/testing/selftests/net/tcp_ao'
make: Leaving directory '/home/virtme/testing-5/tools/testing/selftests'
xx__-> echo $?
0
xx__->