make -C tools/testing/selftests TARGETS="net/f<GS=mirror_gre_flower.sh TEST_GEN_PROGS="" run_tests 
make: Entering directory '/srv/vmksft/testing/wt-3/tools/testing/selftests'
make[1]: Nothing to be done for 'all'.
TAP version 13
1..1
# timeout set to 10800
# selftests: net/forwarding: mirror_gre_flower.sh
# 17.52 [+17.52] TEST: ingress ACL mirror to gretap                                  [ OK ]
# 29.80 [+12.28] TEST: egress ACL mirror to gretap                                   [ OK ]
# 42.07 [+12.28] TEST: ingress ACL mirror to ip6gretap                               [ OK ]
# 54.34 [+12.27] TEST: egress ACL mirror to ip6gretap                                [ OK ]
ok 1 selftests: net/forwarding: mirror_gre_flower.sh
make: Leaving directory '/srv/vmksft/testing/wt-3/tools/testing/selftests'
xx__-> echo $?
0
xx__->