r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TIOCVHANGUP(r1, 0x5437, 0x0)
fcntl$setstatus(r0, 0x4, 0x2000)