r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000740)={0xa, 0x4e23, 0x0, @empty}, 0x1c) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x4e23, 0x0, @empty}, 0x1c) sendmsg$inet6(0xffffffffffffffff, 0x0, 0x0) recvmmsg(r0, &(0x7f00000067c0)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}], 0x2, 0x10142, 0x0) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(0xffffffffffffffff, 0x89f2, 0x0)