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Description
Running docker 1.11, we found a file-descriptor leak. Some or all (unclear) terminated containers leave behind and open fd in container for /run/containerd/.../init/control
# ls -l /proc/*/fd/ | grep deleted
lrwx------ 1 root root 64 Jun 28 00:44 39 -> /run/containerd/9dde41ecbdefee15d9681a8da419015a3160faef45eebf543ec2bcabcb1bcd42/init/control (deleted)
lrwx------ 1 root root 64 Jun 28 00:44 43 -> /run/containerd/7ca8ac8dad282a505ccc7b3fc643985879530a71efdb487e26e2a7e0f8b4fd1b/init/control (deleted)
lrwx------ 1 root root 64 Jun 28 01:00 76 -> /run/containerd/094b11fdfb0bbc782319483335bd3f736291b303f436421127d4b91cd879095e/init/control (deleted)
lrwx------ 1 root root 64 Jun 28 01:00 77 -> /run/containerd/cb469696a72c151a4da143fa6a2f820c5b5ce146005cc56eaddd6fd1b0ca567b/init/control (deleted)
lrwx------ 1 root root 64 Jun 28 01:00 78 -> /run/containerd/fbec2b08ce946b0d48c4682afeeb1638e82779c45683eb6a0e34590cca355151/init/control (deleted)
lrwx------ 1 root root 64 Jun 28 01:00 79 -> /run/containerd/9684f7fa8c1fe008e6b4ec3477779e799cb1d0140a087207b0e2909793f8456a/init/control (deleted)
lrwx------ 1 root root 64 Jun 28 01:00 80 -> /run/containerd/f5a1df76401f2e03b84d8676140b4b16a3294b00aeae751fc4576f23a7ab4d2b/init/control (deleted)
lrwx------ 1 root root 64 Jun 28 01:00 81 -> /run/containerd/c083111aff56cc412443777bf58f3b5513b93b6dddc23b40c8ca06cd3e7a070b/init/control (deleted)
lrwx------ 1 root root 64 Jun 28 01:00 82 -> /run/containerd/47a9f4ada17aba758a8a8c2f361317125d49919f7274ab4a645e67dbf7544752/init/control (deleted)
lrwx------ 1 root root 64 Jun 28 01:00 83 -> /run/containerd/fda8ebb0c3401320d6b737786cdd4c2c1f7f8389b6f5323b44261f6330bd7f55/init/control (deleted)
lrwx------ 1 root root 64 Jun 28 01:00 84 -> /run/containerd/756aa08e453c9c5d1ed4d107d5926668d6b58dccb948eb6052ea362b729b3f65/init/control (deleted)
lrwx------ 1 root root 64 Jun 28 01:00 85 -> /run/containerd/d1d275afac8d7914b5064756ca0a1e02db7fc9be3c97811c78acd73199233c77/init/control (deleted)
lrwx------ 1 root root 64 Jun 28 01:00 86 -> /run/containerd/7c092b5da735365959760019bc7a8f215ea631fcef0186139ca275ee846d605b/init/control (deleted)
lrwx------ 1 root root 64 Jun 28 01:00 87 -> /run/containerd/a49e4727a6ed4b68db0cf686a04c95597921b91ab230b632c36b9004dcda1d11/init/control (deleted)
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