- 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

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- Update to criu 2.11:
  New features:
  * Added "pre-resume" to action scripts
  * New --status-fd option for better control of page server
  * C/R OFD file locks, RO root mount for mount namespaces
  Optimizations/improvements:
  * More strict checks for extra CLI options
  * Report errors when probing locks
  * Restorer logs now contain timestamps
  Fixes:
  * Regression: v2.10 was broken on ARM
  * Use-after-free when restoring ghost directory
  * Array out-of-bound access when restoring VETH device
  * Page server exit code could be screwed up
  * Clang over-optimized string.h routines resulting in random
    crashes
  * Parasite failed to send FDs via socket on Alpine Linux
  * Restore of huge file tables could get stuck
  * Restore of epoll in epoll could fail
  * Errno value could be lost when reporting failure to restore
    invisible files
  * Dump of sched params didn't work on Alpine
  * Restore of huge memory dumps (over 2G) failed
  * Installation guessed /lib vs /lib64 with errors
  * Migration between xsave and noxsave didn't work for wrong cpu
    feature being checked
- Update to criu 2.11.1:
  Fixes:
  * Page server start via RPC was broken
  * Fedora build didn't work

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- Update to criu 2.10:
  New features:
  * C/R of SOCK_PACKET sockets
  * Libsoccr -- library for C/R of TCP sockets
  Optimizations/improvements:
  * Logs cleaned up (removed bunch of useless, fixed '\n' in
    perrors)
  * Action scripts errors are printed in logs
  * Removed several iovec-s copying over the pagemap code
  * Restore degraded linearly on Xen guests. Breakpoints disabled
    until solution
  Fixes:
  * Py bindings fault on restore error delivery
  * Fd leaked on file restore error path
  * Fd leaked when restoring invisible files (gets closed with criu
    exit though)
  * Link remap restore could fail on kernels 4.8 and higher
  * Impossible to restore after restore error with link remap file
    in images
  * When going daemon a descriptor could be leaked
  * Custom setting of mmap_min_addr could make restore to fail
  * Sending pages over UNIX socket could race and fail with EAGAIN
  * Error getting ID of /proc/pid/ns/foo link not propagated and
    could result in bogus NS ID generated
- Add libnet-devel to buildreq for dependency

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- Update to criu 2.9:
  New features:
  * CRIU can now be built with clang on all supported architectures
  * Ignore missing sysctls on restore with --weak-sysctl
    C/R overmounted mountpoints
  Optimizations/improvements:
  * Batch restore of memory contents from pages.img files
  * Link-remap type for invisible files is explicit in images
    Man page for CRIT
  Fixes:
  * C/R with --empty-ns still handled iptables configuration
  * SCM messages inside UNIX socket got lost after C/R (now dump
    aborted)
  * Empty unixsk.img file appeared when dumping tasks without unix
    sockets
  * Install procedure wasn't PEP-394 compliant
  * CRIU blocking netfilter rules were added at the tail of the
    chain resulting in unlocked TCP connections
  * Dump/Restore spurious failures when open() returned 0 descriptor
  * When dumping shmem lots of zero pages were written into image
    files
  * Ghost directory with more than zero ghost parents caused
    restore to fail
  * Shared mount could escape to different group on restore

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- Update to criu 2.8:
  New features:
  * Ability to configure CRIU build
  * Show statistics on the screen with --display-stats
  * C/R of Mac-Vlan devices
  Optimizations/improvements:
  * x86 can now be built with clang
  * When dumping files useless garbage was sent with descriptors from
    parasite
  * The clear_tid_address and regs are printed in hex with CRIT
  * Big code rework for compel (part 1)
  * Removed duplicate error messages from opening /proc files
  Fixes:
  * Restoring cgroup NS could use old path prefix
  * criu check crashed on btrfs mounts
  * RO external mounts in userns couldn't be restored
  * Unmounted on host binfmt_misc could cause dump to fail
  * Off-by-one could cause criu crash when dumping shared / bind-mount
  * Mount namespace' roots could have flags changed on restore
  * Dying tasks could erroneously be tried to dump
  * Swapped shared memory pages were not dumped
  * Errno value can be sometimes spoiled by RPC
  * Restore of netns with newer iproute2 tool could fail
  Deprecated:
  * --ext-unix-sk, --veth-pair and --ext-mount-map, by --external
- Set BINFMT_MISC_VIRTUALIZED config to build

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- Update to criu 2.7:
  New features:
  * Option --cgroup-root now makes sense on dump too
  * CLOCK_BOOTTIME timer supported
  Optimizations/improvements:
  * Output of iptables command leaked into logs for no use
  * Helper dev environment installation script for Debian
  * Man-page updated and prettified :)
  Fixes:
  * Unmounted binfmt_misc with rules wasn't dumped at all
  * Malloc() error could result in crash
  * Device cgroup restore could fail restoring empty record
  * Some entries in device cgroups were restored twice
  * Potential crash when dumping cgroup bindmounts
  * Sign error caused dump to fail on btrfs partitions
  * Shared mounts with the same mount path failed the dump
  * Threads were restored with unshared FS (cwd and root)
  * Shared memory changes tracking disabled (regression found)
  * Restore of autofs can hang
  * LSM profile propagation could be lost
  * Mountpoint with lots of options blocked the dump (too small
    buffer for parsing)
  * External slave mount (with external master) blocked the dump
  * Mounts with STRICTATIME restored with others flags dropped
  Deprecated:
  * No reg-file entry for TTYs

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- Update to criu 2.6:
  New features:
  * Ability to leave process stopped after restore
  * Memory changes tracking for anonymous shared memory
  * Deprecation option/environment
  * First error message is reported back via RPC
  * C/R of More IPCNS sysctls, xIDs of PTYs, TMEM on PPC64LE
  Optimizations/improvements:
  * Use service FD for transport sockets on restore
  * Ability to turn pagemap-cache off (some kernels are buggy)
  * The criu --help text has become better
  Fixes:
  * R/O-mounted root could block the dump
  * Restore of cgroup.mm.oom_control could fail
  * Cgroup fs bind mounts were detected with error
  * Unaligned futex-es in parasite could cause dump to crash
  * When compiled with gcc-4.9 parasite code crashed
  * Failure to freeze cgroup didn't result in aborting of dump
  * Wrong ns list was parsed when dumping userns (invisible
    since nesting works only for mntns)
  * Non-inheritable non-tty as stdin caused shell-job restore
    to erroneously fail Error path in criu dedup could crash
  Deprecated:
  * Per-pid rlimit, itimers and posix-timers
  * Separate image for epoll tfds (target file descriptors)

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- Update to criu 2.5:
  New features:
  * C/R of fs.mqueue.msg*_default sysctls, Unix sockets with
    overwritten paths, and  Link-remap files in removed directories
  Optimizations/improvements:
  * Micro-optimization on namespace ID evaluation
  * Restoring shared files uses one socket instead of per-fd ones
  * More verbosity when refusing to dump a file descriptor
  Fixes:
  * Restore could fail on openat() with ENXIO when multiple mnt
    namespaces get restored
  * The criu exec action got broken
  * Link-remap and ghost files remained on FS after restore failure
  * TCP window could remain clamped after restore resulting in
    connection lockup/slowdown
  * Dump could stuck when injecting a parasite
  * The --timeout option wasn't taken into account when freezing
    tasks using freezecg
  * Race in freezeing/seizing could result in lost tasks
  * Memory leaks here and there on error paths
  * Double free in xvstrcat (crash)
  * VDSO length was mis-calculated
  * Symlink on --root path could make restore erroneously fail
  * Potential memory corruption on reading mntns images
  * When restoring on systems with low pid_max limit restore could
    fail
  * RO-protected SysV shmem segments could be restored with
    PROT_EXEC
  * File mode of mapped file was evaluated with errors
  * Restore of cgroups' mem.swappines and ..use_hierarchy blocked

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- 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

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- Update to criu 2.3:
  New features
  * Ability not to show payload for some objects in CRIT
  * Pidfile is written at the end of restore
  * Ability to join existing namespaces on restore
  * C/R of Data sitting in TTYs, Partially write-protected SysVIPC
    segments, Debugfs and tracefs mounts, Overmounted tmpfs, IPv6
    devconf sysctls, External block devices, Unix sockets with
    mismatched shutdown state
  Optimizations/improvements:
  * Relaxed calculation of AIO ring size
  * Tree-based search of tasks by real pid
  * Less mem-to-mem copies on restore
  * Saner devconf image format
  * More verbose explanation of why task cannot be seized
  * PID is printed in PIE logs
  Fixes:
  * Too many mmap-ed files blocked the dump
  * Potential memory corruption when working with IPv6 sockets
  * Overmounted bind mounts could cause restore to fail
  * Overmounted bind mounts could result in badly restored mount tree
  * Incomplete restoration of RO bind mounts options
  Deprecated/removed:
  * Greedy mode of pagemap (non-root) caused dump to fail (disabled)

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