r0 = creat(&(0x7f0000000300)='./file0\x00', 0x0)
r1 = socket$packet(0x11, 0x2, 0x300)
r2 = fcntl$dupfd(r1, 0x0, r0)
getsockopt$packet_int(r2, 0x107, 0x12, 0x0, &(0x7f0000000080))