r0 = socket$inet6_udplite(0xa, 0x2, 0x88)
ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL(r0, 0x89f3, &(0x7f0000000280)={'sit0\x00', &(0x7f0000000200)={'ip6tnl0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @mcast1, @local}})