r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCVHANGUP(r0, 0x5437, 0x0) ioctl$int_in(r0, 0x5452, &(0x7f0000000040)=0x8)