Agreed on this one, we're also experiencing production failures, but they happen every night around 1am and simply restarting apache clears it up.
>From our logs Start-Date: 2017-03-21 03:22:40 Commandline: /usr/bin/unattended-upgrade Upgrade: libc6-dev:amd64 (2.23-0ubuntu3, 2.23-0ubuntu6), libc6:amd64 (2.23-0ubuntu3, 2.23-0ubuntu6), locales:amd64 (2.23-0ubuntu3, 2.23-0ubuntu6), libc-bin:amd64 (2.23-0ubuntu3, 2.23-0ubuntu6), libc-dev-bin:amd64 (2.23-0ubuntu3, 2.23-0ubuntu6), multiarch-support:amd64 (2.23-0ubuntu3, 2.23-0ubuntu6) End-Date: 2017-03-21 03:22:46 Start-Date: 2017-03-22 00:27:23 Commandline: /usr/bin/unattended-upgrade Upgrade: libc6-dev:amd64 (2.23-0ubuntu6, 2.23-0ubuntu7), libc6:amd64 (2.23-0ubuntu6, 2.23-0ubuntu7), locales:amd64 (2.23-0ubuntu6, 2.23-0ubuntu7), libc-bin:amd64 (2.23-0ubuntu6, 2.23-0ubuntu7), libc-dev-bin:amd64 (2.23-0ubuntu6, 2.23-0ubuntu7), multiarch-support:amd64 (2.23-0ubuntu6, 2.23-0ubuntu7) End-Date: 2017-03-22 00:27:29 We believe that the unattended upgrade updated and killed us RIGHT around the same time, thus needing the apache restart. 2 nights in a row we found these failures, and 2 libc upgrades at the same time. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to eglibc in Ubuntu. https://bugs.launchpad.net/bugs/1674532 Title: glibc update caused NSS ABI break Status in eglibc package in Ubuntu: Invalid Status in glibc package in Ubuntu: Fix Committed Status in eglibc source package in Precise: Fix Released Status in glibc source package in Precise: Invalid Status in eglibc source package in Trusty: Fix Released Status in glibc source package in Trusty: Invalid Status in eglibc source package in Xenial: Invalid Status in glibc source package in Xenial: Fix Released Status in eglibc source package in Yakkety: Invalid Status in glibc source package in Yakkety: Invalid Bug description: After installing the libc6_2.19-0ubuntu6.10_amd64_udeb package during the automated install of ubuntu 14.04.5, the system was suddenly unable to resolve hostnames via dns. Installing -0ubuntu6.9 resolved the issue. Reinstalling -ubuntu6.10 broke the system again. I note that -ubuntu6.10 was recently added to the archive. I am currently unable to install Ubuntu 14.04.5. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/eglibc/+bug/1674532/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp