r0 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x3007}, 0x4)
r1 = socket$unix(0x1, 0x5, 0x0)
dup2(r1, r0)