r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0)
ioctl$KDENABIO(r0, 0x4b36)
fcntl$setown(0xffffffffffffffff, 0x8, 0xffffffffffffffff)
fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff)