r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TCXONC(r0, 0x540a, 0x2)
ioctl$TIOCPKT(r0, 0x5420, &(0x7f0000000040)=0x3)
ioctl$TCSETSF2(r0, 0x402c542d, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, "fc5526a48c552900"})