openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.net/cgroup.procs\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x0, 0x5e033, 0xffffffffffffffff, 0x0)
mbind(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x0, 0x0, 0x3)