This is in file etc/netplan/00-installer-config.yaml (enp0s5 is configured with DHCP4, but real NIC is enp0s4...)
##### # This is the network config written by 'subiquity' network: ethernets: enp0s5: dhcp4: true version: 2 ##### This is visible in output from "sudo journalctl": ... Jun 05 02:53:44 t2004 kernel: virtio_net virtio1 enp0s4: renamed from eth0 ... Jun 05 02:53:53 t2004 systemd-resolved[718]: Using system hostname 't2004'. Jun 05 02:53:53 t2004 systemd[1]: Started Network Name Resolution. Jun 05 02:53:53 t2004 systemd[1]: Reached target Network. Jun 05 02:53:53 t2004 systemd[1]: Reached target Host and Network Name Lookups. Jun 05 02:53:54 t2004 cloud-init[727]: Cloud-init v. 20.1-10-g71af48df-0ubuntu5 running 'init' at Fri, 05 Jun 2020 02:53:53 +0000. Up 15.84 seconds. Jun 05 02:53:54 t2004 cloud-init[727]: ci-info: +++++++++++++++++++++++++++Net device info++++++++++++++++++++++++++++ Jun 05 02:53:54 t2004 cloud-init[727]: ci-info: +--------+-------+-----------+-----------+-------+-------------------+ Jun 05 02:53:54 t2004 cloud-init[727]: ci-info: | Device | Up | Address | Mask | Scope | Hw-Address | Jun 05 02:53:54 t2004 cloud-init[727]: ci-info: +--------+-------+-----------+-----------+-------+-------------------+ Jun 05 02:53:54 t2004 cloud-init[727]: ci-info: | enp0s4 | False | . | . | . | 00:a0:98:4f:5d:d5 | Jun 05 02:53:54 t2004 cloud-init[727]: ci-info: | lo | True | 127.0.0.1 | 255.0.0.0 | host | . | Jun 05 02:53:54 t2004 cloud-init[727]: ci-info: | lo | True | ::1/128 | . | host | . | Jun 05 02:53:54 t2004 cloud-init[727]: ci-info: +--------+-------+-----------+-----------+-------+-------------------+ Jun 05 02:53:54 t2004 cloud-init[727]: ci-info: +++++++++++++++++++Route IPv6 info+++++++++++++++++++ Jun 05 02:53:54 t2004 cloud-init[727]: ci-info: +-------+-------------+---------+-----------+-------+ Jun 05 02:53:54 t2004 cloud-init[727]: ci-info: | Route | Destination | Gateway | Interface | Flags | Jun 05 02:53:54 t2004 cloud-init[727]: ci-info: +-------+-------------+---------+-----------+-------+ Jun 05 02:53:54 t2004 cloud-init[727]: ci-info: +-------+-------------+---------+-----------+-------+ ... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1881832 Title: Ubuntu server 20.04 fails to get IP address from DHCP server (no network connectivity) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/netplan.io/+bug/1881832/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs