Troubleshooting

Driver aufs failed to remove root filesystem

If while executing stop-tango target you encounter the following:

Shutdown test environment
tango_cs
Error response from daemon: Driver aufs failed to remove root filesystem 998b47d88c735d2ef5fcd454f098a857f279db738f76014a1011299e872e5032: rename /var/lib/docker/aufs/mnt/4464e09adfd3783fdb22bdcac3501ba2d8b570199a6f7dff0a87af68eba450a9 /var/lib/docker/aufs/mnt/4464e09adfd3783fdb22bdcac3501ba2d8b570199a6f7dff0a87af68eba450a9-removing: device or resource busy
mysql_db
Error response from daemon: Driver aufs failed to remove root filesystem ffdf138bb758f625722454081aa42b444ffe3d1ce29a3d34103d2d04120c073c: rename /var/lib/docker/aufs/mnt/361aecf38487c1dd4c626f63ca16819c43193bbd3fd321d49a231a774332caee /var/lib/docker/aufs/mnt/361aecf38487c1dd4c626f63ca16819c43193bbd3fd321d49a231a774332caee-removing: device or resource busy
Revert tango_host file
TANGO_HOST=
Built target stop-tango

Try to restart docker: sudo systemctl restart docker OR in Ubuntu sudo service docker restart