Important: docker-engine docker-engine-selinux security and bugfix update (Oracle Linux 7)

[1.12.6-1.0.1]
- Enable configuration of Docker daemon via sysconfig [orabug 21804877]
- Require UEK4 for docker 1.9 [orabug 22235639 22235645]
- Add docker.conf for prelink [orabug 25147708]

[1.12.6]
- the systemd unit file (/usr/lib/systemd/system/docker.service) contains local changes, or
- a systemd drop-in file is present, and contains -H fd:// in the ExecStart directive
- Backup the current version of the unit file, and replace the file with the
- Remove the Requires=docker.socket directive from the /usr/lib/systemd/system/docker.service file if present
- Remove -H fd:// from the ExecStart directive (both in the main unit file, and in any drop-in files present).
- Fix runC privilege escalation (CVE-2016-9962)

[1.12.5]
- the systemd unit file (/usr/lib/systemd/system/docker.service) contains local changes, or
- a systemd drop-in file is present, and contains -H fd:// in the ExecStart directive
- Backup the current version of the unit file, and replace the file with the
- Remove the Requires=docker.socket directive from the /usr/lib/systemd/system/docker.service file if present
- Remove -H fd:// from the ExecStart directive (both in the main unit file, and in any drop-in files present).
- Fix race on sending stdin close event [#29424](https://github.com/docker/docker/pull/29424)
- Fix panic in docker network ls when a network was created with --ipv6 and no ipv6 --subnet in older docker versions [#29416](https://github.com/docker/docker/pull/29416)
- Fix compilation on Darwin [#29370](https://github.com/docker/docker/pull/29370)

[1.12.4]
- the systemd unit file (/usr/lib/systemd/system/docker.service) contains local changes, or
- a systemd drop-in file is present, and contains -H fd:// in the ExecStart directive
- Backup the current version of the unit file, and replace the file with the
- Remove the Requires=docker.socket directive from the /usr/lib/systemd/system/docker.service file if present
- Remove -H fd:// from the ExecStart directive (both in the main unit file, and in any drop-in files present).
- Fix issue where volume metadata was not removed [#29083](https://github.com/docker/docker/pull/29083)
- Asynchronously close streams to prevent holding container lock [#29050](https://github.com/docker/docker/pull/29050)
- Fix selinux labels for newly created container volumes [#29050](https://github.com/docker/docker/pull/29050)
- Remove hostname validation [#28990](https://github.com/docker/docker/pull/28990)
- Fix deadlocks caused by IO races [#29095](https://github.com/docker/docker/pull/29095) [#29141](https://github.com/docker/docker/pull/29141)
- Return an empty stats if the container is restarting [#29150](https://github.com/docker/docker/pull/29150)
- Fix volume store locking [#29151](https://github.com/docker/docker/pull/29151)
- Ensure consistent status code in API [#29150](https://github.com/docker/docker/pull/29150)
- Fix incorrect opaque directory permission in overlay2 [#29093](https://github.com/docker/docker/pull/29093)
- Detect plugin content and error out on docker pull [#29297](https://github.com/docker/docker/pull/29297)
- Update Swarmkit [#29047](https://github.com/docker/docker/pull/29047)
- orchestrator/global: Fix deadlock on updates [docker/swarmkit#1760](https://github.com/docker/swarmkit/pull/1760)
- on leader switchover preserve the vxlan id for existing networks [docker/swarmkit#1773](https://github.com/docker/swarmkit/pull/1773)
- Refuse swarm spec not named 'default' [#29152](https://github.com/docker/docker/pull/29152)
- Update libnetwork [#29004](https://github.com/docker/docker/pull/29004) [#29146](https://github.com/docker/docker/pull/29146)
- Fix panic in embedded DNS [docker/libnetwork#1561](https://github.com/docker/libnetwork/pull/1561)
- Fix unmarhalling panic when passing --link-local-ip on global scope network [docker/libnetwork#1564](https://github.com/docker/libnetwork/pull/1564)
- Fix panic when network plugin returns nil StaticRoutes [docker/libnetwork#1563](https://github.com/docker/libnetwork/pull/1563)
- Fix panic in osl.(*networkNamespace).DeleteNeighbor [docker/libnetwork#1555](https://github.com/docker/libnetwork/pull/1555)
- Fix panic in swarm networking concurrent map read/write [docker/libnetwork#1570](https://github.com/docker/libnetwork/pull/1570)
- Allow encrypted networks when running docker inside a container [docker/libnetwork#1502](https://github.com/docker/libnetwork/pull/1502)
- Do not block autoallocation of IPv6 pool [docker/libnetwork#1538](https://github.com/docker/libnetwork/pull/1538)
- Set timeout for netlink calls [docker/libnetwork#1557](https://github.com/docker/libnetwork/pull/1557)
- Increase networking local store timeout to one minute [docker/libkv#140](https://github.com/docker/libkv/pull/140)
- Fix a panic in libnetwork.(*sandbox).execFunc [docker/libnetwork#1556](https://github.com/docker/libnetwork/pull/1556)
- Honor icc=false for internal networks [docker/libnetwork#1525](https://github.com/docker/libnetwork/pull/1525)
- Update syslog log driver [#29150](https://github.com/docker/docker/pull/29150)
- Run 'dnf upgrade' before installing in fedora [#29150](https://github.com/docker/docker/pull/29150)
- Add build-date back to RPM packages [#29150](https://github.com/docker/docker/pull/29150)
- deb package filename changed to include distro to distinguish between distro code names [#27829](https://github.com/docker/docker/pull/27829)

[1.12.3]
- the systemd unit file (/usr/lib/systemd/system/docker.service) contains local changes, or
- a systemd drop-in file is present, and contains -H fd:// in the ExecStart directive
- Backup the current version of the unit file, and replace the file with the
- Remove the Requires=docker.socket directive from the /usr/lib/systemd/system/docker.service file if present
- Remove -H fd:// from the ExecStart directive (both in the main unit file, and in any drop-in files present).
- Fix ambient capability usage in containers (CVE-2016-8867) [#27610](https://github.com/doc