r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x3}, 0x4) r1 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x3}, 0x4) dup3(r0, r1, 0x0)