[Bug 1697730] Re: Long boot time due to systemd-networkd-wait-online.service failure

[Stefan Bader]

So from what Steve wrote and what I see. the missing part is moving from
"Gained IPv6LL" to "Configured".

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Title:
  Long boot time due to systemd-networkd-wait-online.service failure

Status in systemd package in Ubuntu:
  Incomplete

Bug description:
  Fresh VM installation from the Artful daily server ISO. Installation
  finishes without issues but booting the installed system takes a long
  time (until systemd-networkd-wait-online.service times out). The VM
  can already be pinged at that stage, so network has been configured at
  that stage. It just seems that the waiting command does not notice the
  interface being up.

  From the installed system (after timeout) it looks like the lo device
  is set up via /etc/network/interfaces but the NIC is set in
  /etc/netplan/01-netcfg.yaml.

  systemd-networkd.service:
  Jun 13 17:07:08 bar-artful6401 systemd[1]: Starting Network Service...
  Jun 13 17:07:08 bar-artful6401 systemd-networkd[587]: Enumeration completed
  Jun 13 17:07:08 bar-artful6401 systemd-networkd[587]: eth0: IPv6 successfully enabled
  Jun 13 17:07:08 bar-artful6401 systemd[1]: Started Network Service.
  Jun 13 17:07:08 bar-artful6401 systemd-networkd[587]: eth0: Gained carrier
  Jun 13 17:07:09 bar-artful6401 systemd-networkd[587]: eth0: DHCPv4 address 192.168.2.159/24 via 192.168.2.1
  Jun 13 17:07:10 bar-artful6401 systemd-networkd[587]: eth0: Gained IPv6LL

  systemd-networkd-wait-online.service (failed):
  Jun 13 17:07:08 bar-artful6401 systemd[1]: Starting Wait for Network to be Configured...
  Jun 13 17:09:09 bar-artful6401 systemd-networkd-wait-online[593]: Event loop failed: Connection timed out
  Jun 13 17:09:09 bar-artful6401 systemd[1]: systemd-networkd-wait-online.service: Main process exited, code=exited, sta
  Jun 13 17:09:09 bar-artful6401 systemd[1]: Failed to start Wait for Network to be Configured.
  Jun 13 17:09:09 bar-artful6401 systemd[1]: systemd-networkd-wait-online.service: Unit entered failed state.
  Jun 13 17:09:09 bar-artful6401 systemd[1]: systemd-networkd-wait-online.service: Failed with result 'exit-code'.

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: systemd 233-6ubuntu3
  ProcVersionSignature: Ubuntu 4.10.0-22.24-generic 4.10.15
  Uname: Linux 4.10.0-22-generic x86_64
  ApportVersion: 2.20.5-0ubuntu4
  Architecture: amd64
  Date: Tue Jun 13 18:11:47 2017
  InstallationDate: Installed on 2017-06-13 (0 days ago)
  InstallationMedia: Ubuntu-Server 17.10 "Artful Aardvark" - Alpha amd64 (20170611)
  Lsusb: Error: command ['lsusb'] failed with exit code 1:
  MachineType: Xen HVM domU
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-22-generic root=/dev/mapper/bar--artful6401--vg-root ro video=640x480
  SourcePackage: systemd
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/15/2017
  dmi.bios.vendor: Xen
  dmi.bios.version: 4.8.0
  dmi.chassis.type: 1
  dmi.chassis.vendor: Xen
  dmi.modalias: dmi:bvnXen:bvr4.8.0:bd03/15/2017:svnXen:pnHVMdomU:pvr4.8.0:cvnXen:ct1:cvr:
  dmi.product.name: HVM domU
  dmi.product.version: 4.8.0
  dmi.sys.vendor: Xen

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