r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0)
ioctl$TCSETSF2(r0, 0x5423, &(0x7f0000000000)={0xfffffffc, 0x0, 0x0, 0x0, 0x0, "f2f3e2f8ff6b6a770ff8c29b78657df3480824"})