r0 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000100), 0x101082, 0x0)
poll(&(0x7f00000002c0)=[{r0, 0x2406}], 0x1, 0x0)
write$cgroup_freezer_state(r0, &(0x7f0000000140)='FROZEN\x00', 0x7d0)