socket$packet(0x11, 0x0, 0x300)
r0 = socket$inet6_udplite(0xa, 0x2, 0x88)
setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f0000000380)={@dev}, 0x14)
ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r0, 0x89f2, 0x0)