[Focal] cloud-init service never get nework actived during MaaS deploy.

This bug was originally filed in Launchpad as [LP: #1869181](https://bugs.launchpad.net/cloud-init/+bug/1869181)

Launchpad details

affected_projects = ['oem-priority']

assignee = None

assignee_name = None

date_closed = None

date_created = 2020-03-26T11:09:18.855722+00:00

date_fix_committed = 2020-04-08T15:29:51.126221+00:00

date_fix_released = 2020-04-08T15:29:51.126221+00:00

id = 1869181

importance = undecided

is_complete = False

lp_url = https://bugs.launchpad.net/cloud-init/+bug/1869181

milestone = None

owner = alextu

owner_name = Alex Tu

private = False

status = incomplete

submitter = alextu

submitter_name = Alex Tu

tags = ['oem-priority']

duplicates = [1880089]

_Launchpad user **Alex Tu(alextu)** wrote on 2020-03-26T11:09:18.855722+00:00_

MaaS server used to wait for cloud-init on target reporting status.
It works well on Bionic desktop but failed on Focal desktop.
It might be caused by the ordering of systemd service because the network service always is started after the cloud-init service.

Journalctl:
三 26 18:34:18 CANONICALID cloud-init[816]: Cloud-init v. 20.1-10-g71af48df-0ubuntu2 running 'init' at Thu, 26 Mar 2020 10:34:18 +0000. Up 6.59 seconds.
三 26 18:34:18 CANONICALID cloud-init[816]: ci-info: ++++++++++++++++++++++++++++++++Net device info++++++++++++++++++++++++++++++++
三 26 18:34:18 CANONICALID cloud-init[816]: ci-info: +-----------------+-------+-----------+-----------+-------+-------------------+
三 26 18:34:18 CANONICALID cloud-init[816]: ci-info: | Device | Up | Address | Mask | Scope | Hw-Address |
三 26 18:34:18 CANONICALID cloud-init[816]: ci-info: +-----------------+-------+-----------+-----------+-------+-------------------+
三 26 18:34:18 CANONICALID cloud-init[816]: ci-info: | enx00e04c70045f | False | . | . | . | 00:e0:4c:70:04:5f |
三 26 18:34:18 CANONICALID cloud-init[816]: ci-info: | lo | True | 127.0.0.1 | 255.0.0.0 | host | . |
三 26 18:34:18 CANONICALID cloud-init[816]: ci-info: | lo | True | ::1/128 | . | host | . |
三 26 18:34:18 CANONICALID cloud-init[816]: ci-info: | wlp2s0 | False | . | . | . | 9c:b6:d0:8e:90:81 |
三 26 18:34:18 CANONICALID cloud-init[816]: ci-info: +-----------------+-------+-----------+-----------+-------+-------------------+
.....[skip]....
三 26 18:34:18 CANONICALID cloud-init[816]: 2020-03-26 10:34:18,361 - handlers.py[WARNING]: failed posting event: start: init-network/check-cache: attempting to read from cache [trust]
.....[skip]....
三 26 18:36:25 CANONICALID systemd[1]: Starting Network Manager...