What is the output of: grep tun /etc/group
groups | grep tun ls -l /dev/net/tun -- Error starting domain: virDomainCreate() failed Failed to add tap interface 'vnet%d' to bridge 'br0' : Permission denied https://bugs.launchpad.net/bugs/247677 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs