r0 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$inet_MCAST_MSFILTER(r0, 0x0, 0x30, &(0x7f00000001c0)={0x5, {{0x2, 0x0, @multicast2}}, 0x1, 0x1, [{{0x2, 0x0, @multicast1}}]}, 0x110)