make -C tools/testing/selftests TARGETS="net/forwarding" TEST_PROGS=tc_tunnnel_key.sh TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing/wt-4/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing/wt-4/tools/testing/selftests/net/forwarding'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing/wt-4/tools/testing/selftests/net/forwarding'
make[1]: Entering directory '/home/virtme/testing/wt-4/tools/testing/selftests/net/forwarding'
TAP version 13
1..1
# overriding timeout to 21600
# selftests: net/forwarding: tc_tunnel_key.sh
# 17.84 [+17.84] TEST: tunnel_key nofrag (skip_hw)                                   [ OK ]
# 18.01 [+0.18] INFO: Could not test offloaded functionality
ok 1 selftests: net/forwarding: tc_tunnel_key.sh
make[1]: Leaving directory '/home/virtme/testing/wt-4/tools/testing/selftests/net/forwarding'
make: Leaving directory '/home/virtme/testing/wt-4/tools/testing/selftests'
xx__-> echo $?
0
xx__-> echo scan > /sys/kernel/debug/kmemleak
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff8880134f6d40 (size 64):
  comm "ip", pid 1045, jiffies 4294771590
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 0):
    __kmalloc_noprof+0x32b/0x460
    udpv6_init_sock+0x237/0x410
    inet6_create.part.0+0x989/0x10b0
    __sock_create+0x235/0x690
    udp_sock_create6+0xc5/0x6c0 [ip6_udp_tunnel]
    vxlan_create_sock+0x1a7/0x1d0 [vxlan]
    vxlan_socket_create+0xfe/0x510 [vxlan]
    __vxlan_sock_add+0x3c5/0xa60 [vxlan]
    vxlan_open+0xc3/0x240 [vxlan]
    __dev_open+0x220/0x590
    __dev_change_flags+0x460/0x6c0
    netif_change_flags+0x80/0x160
    do_setlink.constprop.0+0x97c/0x2460
    rtnl_newlink+0x693/0xa60
    rtnetlink_rcv_msg+0x709/0xc00
    netlink_rcv_skb+0x121/0x340
xx__->