r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.net/cgroup.procs\x00', 0x0, 0x0)
open_by_handle_at(r0, &(0x7f0000000000)=@ceph_nfs_confh={0x10, 0x2, {0x3}}, 0x0)