Can you try running "host" with -d in the scenario where it is hanging?
Also, a fresh bionic system shouldn't run the ifup-down scripts, since it uses netplan. Unless openconnect or one of its dependencies pull it in explicitly. A quick apt-cache rdepends didn't see it. -- You received this bug notification because you are a member of Ubuntu Server, which is subscribed to bind9 in Ubuntu. https://bugs.launchpad.net/bugs/1752411 Title: bind9-host, avahi-daemon-check-dns.sh hang forever causes network connections to get stuck To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/avahi/+bug/1752411/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntuemail@example.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs