Source: https://blog.jicoman.info/2018/10/reason-why-gce-migrated-by-cloudendure-is-slow/
Timestamp: 2019-04-23 02:44:40+00:00

Document:
Cloud-init v. 0.7.5 running 'init-local' at Fri, 24 Aug 2018 08:44:55 +0000. Up 6.15 seconds.
Cloud-init v. 0.7.5 running 'init' at Fri, 24 Aug 2018 08:47:05 +0000. Up 136.37 seconds.
Cloud-init v. 0.7.5 running 'modules:config' at Fri, 24 Aug 2018 08:47:06 +0000. Up 137.53 seconds.
Cloud-init v. 0.7.5 running 'modules:final' at Fri, 24 Aug 2018 08:49:12 +0000. Up 263.01 seconds.
Cloud-init v. 0.7.5 running 'init-local' at Fri, 24 Aug 2018 09:52:11 +0000. Up 6.10 seconds.
Cloud-init v. 0.7.5 running 'init' at Fri, 24 Aug 2018 09:52:12 +0000. Up 7.07 seconds.
Cloud-init v. 0.7.5 running 'modules:config' at Fri, 24 Aug 2018 09:52:13 +0000. Up 7.88 seconds.
Cloud-init v. 0.7.5 running 'modules:final' at Fri, 24 Aug 2018 09:52:18 +0000. Up 13.26 seconds.
cloud-init-nonet[136.33]: gave up waiting for a network device.
Cloud-init v. 0.7.5 running 'init' at Fri, 24 Aug 2018 09:09:28 +0000. Up 136.47 seconds.
20       # indicate that static-network-up has already fired.
49       msg "waiting $1 seconds for network device"
63    msg "gave up waiting for a network device."
31         # Ignoring unknown interface eth0=eth0.
39         # are up.  if no interfaces are found there, then "all [given] were up"
48 # touch our own "marker" indicating that this interface has been brought up.

References: v. 
 v. 
 v. 
 v. 
 v. 
 v. 
 v. 
 v. 
 v.