openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x101142, 0x0) mount$cgroup(0x0, &(0x7f0000000580)='./file1\x00', &(0x7f00000005c0), 0x0, &(0x7f0000000600)={[{@subsystem='cpu'}]})