r0 = socket$inet_udplite(0x2, 0x2, 0x88)
ioctl$sock_inet_SIOCDELRT(r0, 0x890c, &(0x7f0000000780)={0x0, {0x2, 0x0, @broadcast}, {0x2, 0x0, @empty}, {0x2, 0x0, @multicast2}, 0x1a4})