- Update to criu 2.4:
New features:
* Generate core from images
* Ability to forcibly drop half-open TCP connections on C/R
* Ability to specify cgroup ctls to dump via API
Opened/mapped files' mode is compared between dump and restore
times
* AutoFS mountpoints
* New cgroups (perf_event, net_cls, net_prio and pids)
* Memcgroup optional properties
* Devices cgroup
Optimizations/improvements:
* Pagemap image entries are cached in memory
Fixes:
* Configured kmem cgroup limit restore failed
* Mem cgroup oom_control
* Cgroup's pids.max was not C/R-ed
* Failure to write cgroup property was ignored
* No init PID in pre-dump action script
* Sigactions inheritance didn't work on ARM
* Opened "/proc" dir blocked the dump
* Working with iptables was racy
* Sibling mounts detection error on dump
* Devconf accept_redirects devconf could be restored with errors
* "All" devconfs could be overridden by "Default"
* Name-less unix sockets got auto-bound
* Mode was lost for PTY device file on restore
* Newer protobuf compilers didn't recognize PB files
* External mounts could be remounted with MS_PRIVATE
* Build fail on Alpine Linux