r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup/cgroup.procs\x00', 0x0, 0x0)
r1 = timerfd_create(0x0, 0x0)
mount$9p_fd(0x0, &(0x7f0000000300)='./cgroup/cgroup.procs\x00', &(0x7f0000000200), 0x0, &(0x7f0000000280)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1])