In addition, I needed to sudo chmod u+s /usr/lib/virtualbox/VBoxNetAdpCtl
too to change network interfaces on the "Host Network Manager". -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1935856 Title: Virtualbox encounters 'Effective UID is not root' when starting a VM To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/virtualbox/+bug/1935856/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs