r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x0, &(0x7f0000002480), 0x4)
ioctl$TIOCGPKT(r0, 0x80045439, &(0x7f0000002580))