ip6_tnl_xmit_ctl 965 net/ipv6/ip6_tunnel.c !ip6_tnl_xmit_ctl(t)) ip6_tnl_xmit_ctl 1005 net/ipv6/ip6_tunnel.c !ip6_tnl_xmit_ctl(t) || ip6_tnl_addr_conflict(t, ipv6h))