r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TCSETA(r0, 0x5406, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x1f, 0x0, "01a3f8815e0c1cf6"})