Package: docker.io Version: 1.7.1~dfsg1-1 Severity: important The docker daemon fails to start after installation of docker.io on my system:
Sep 18 12:03:08 stratocaster systemd[1]: Starting Docker Socket for the API. Sep 18 12:03:08 stratocaster systemd[1]: Listening on Docker Socket for the API. Sep 18 12:03:08 stratocaster systemd[1]: Started Docker Application Container Engine. Sep 18 12:03:08 stratocaster docker[13720]: time="2015-09-18T12:03:08.067458484-04:00" level=error msg="[graphdriver] prior storage driver \"aufs\" failed: driver not supported" Sep 18 12:03:08 stratocaster docker[13720]: time="2015-09-18T12:03:08.067524867-04:00" level=fatal msg="Error starting daemon: error initializing graphdriver: driver not supported" Sep 18 12:03:08 stratocaster systemd[1]: docker.service: Main process exited, code=exited, status=1/FAILURE Sep 18 12:03:08 stratocaster systemd[1]: docker.service: Unit entered failed state. Once I add DOCKER_OPTS="--storage-opt overlay" to /etc/default/docker it starts correctly. -- System Information: Debian Release: stretch/sid APT prefers testing APT policy: (500, 'testing'), (400, 'unstable'), (1, 'experimental') Architecture: amd64 (x86_64) Kernel: Linux 4.1.0-1-amd64 (SMP w/8 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages docker.io depends on: ii adduser 3.113+nmu3 ii init-system-helpers 1.23 ii iptables 1.4.21-2+b1 ii libapparmor1 2.9.2-3 ii libc6 2.19-19 ii libdevmapper1.02.1 2:1.02.104-1 ii libsqlite3-0 3.8.11.1-1 ii perl 5.20.2-6 Versions of packages docker.io recommends: ii aufs-tools 1:3.2+20130722-1.1 ii ca-certificates 20150426 pn cgroupfs-mount | cgroup-lite <none> ii git 1:2.5.1-1 ii xz-utils 5.1.1alpha+20120614-2.1 Versions of packages docker.io suggests: pn btrfs-tools <none> ii debootstrap 1.0.72 pn lxc <none> pn rinse <none> pn zfs-fuse | zfsutils <none> -- Configuration Files: /etc/default/docker changed: DOCKER_OPTS="--storage-opt overlay" -- no debconf information