r0 = socket$inet_tcp(0x2, 0x1, 0x0)
ioctl$sock_inet_SIOCDELRT(r0, 0x890c, &(0x7f0000000140)={0x0, {0x2, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}}, {0x2, 0x0, @multicast1}, {0x2, 0x0, @remote}, 0x624, 0x0, 0x0, 0x0, 0xf4ea})