- update to criu 2.12:
New features:
* C/R of external TTYs (for Docker C/R)
Optimizations/improvements:
* Sanitized the way the -v works
Fixes:
* Checking features via RPC crashed
* Resting pipes in user-namespaces could fail on modern kernels
* Shutdown state for UNIX sockets could be lost on restore
* Dump of huge (over 2Gb) SysV shmem segments didn't work