After doing a restart the interface is down again, hence it's probably more a networkd / systemd issue:
$ ssh ubuntu@hwe0007 ssh: connect to host hwe0007 port 22: No route to host --- hwe0007 login: ubuntu ubuntu Password: Last login: Wed Mar 27 04:18:31 EDT 2019 from 10.172.194.67 on pts/0 Welcome to Ubuntu Disco Dingo (development branch) (GNU/Linux 5.0.0-7-generic s3 90x) * Documentation: https://help.ubuntu.com * Management: https://landscape.canonical.com * Support: https://ubuntu.com/advantage ubuntu§hwe0007:ß$ ip a ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group defaul t qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: enc600: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default ql en 1000 link/ether 02:28:0b:00:00:15 brd ff:ff:ff:ff:ff:ff ubuntu§hwe0007:ß$ ubuntu§hwe0007:ß$ sudo netplan apply sudo netplan apply ¬sudo| password for ubuntu: pass4now ubuntu§hwe0007:ß$ ip a ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group defaul t qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: enc600: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP gr oup default qlen 1000 link/ether 02:28:0b:00:00:15 brd ff:ff:ff:ff:ff:ff inet 10.245.236.27/24 brd 10.245.236.255 scope global enc600 valid_lft forever preferred_lft forever inet6 fe80::28:bff:fe00:15/64 scope link valid_lft forever preferred_lft forever ubuntu§hwe0007:ß$ ** Attachment added: "dmesg" https://bugs.launchpad.net/ubuntu/+source/debian-installer/+bug/1821867/+attachment/5249678/+files/dmesg.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1821867 Title: network interface is down after post-install reboot of a default disco installation To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/debian-installer/+bug/1821867/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
