r0 = socket$inet6_udplite(0xa, 0x2, 0x88)
ioctl$sock_inet6_SIOCADDRT(r0, 0x890b, &(0x7f0000000000)={@loopback, @mcast2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, 0x0, 0x0, 0x9, 0x500})