The docker ps did also hang for me after the upgrade. It wasn’t enough to restart the app or toggle the VPN mode, though. I tried re-installing with a fresh download from beta.docker.com, which also didn’t help. Only a complete system reboot made it work for me.
OS X: 10.11.4 (15E65)
Docker: Version 1.11.0-beta8 (build: 6072) 3c1bfeb0e86a9403f82302edfea4c4987cc2cb32
We’re aware of a bug in the “vmnet.framework” which sometimes appears after an upgrade. The symptom is that “docker ps” will show the VM’s IP address as “None” and accessing a containers ports will not work. If this happens, you can switch to exposing ports on localhost rather than docker.local with