log:
2020-04-30T17:31:34.983356+00:00 node001 maas.service_monitor: [info] Service 'maas-proxy' is not on, it will be started.
2020-04-30T17:31:47.389664+00:00 node001 maas.import-images: [warn] I/O error while syncing boot images. If this problem persists, verify network connectivity and disk usage.
2020-04-30T17:31:47.389802+00:00 node001 maas.bootsources: [error] Failed to import images from http://images.maas.io/ephemeral-v3/daily/: HTTPConnectionPool(host='images.maas.io', port=80): Max retries exceeded with url: /ephemeral-v3/daily/streams/v1/index.sjson (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f11b525cda0>: Failed to establish a new connection: [Errno 101] Network is unreachable',))
2020-04-30T17:31:47.417899+00:00 node001 maas.bootsources: [error] Unable to update boot sources cache.
2020-04-30T17:31:47.473282+00:00 node001 maas.bootresources: [info] Started importing of boot images from 1 source(s).
2020-04-30T17:31:47.475241+00:00 node001 maas.import-images: [info] Downloading image descriptions from http://images.maas.io/ephemeral-v3/daily/
2020-04-30T17:31:47.475770+00:00 node001 maas.import-images: [info] Region downloading image descriptions from 'http://images.maas.io/ephemeral-v3/daily/'.
2020-04-30T17:31:52.334256+00:00 node001 maas.service_monitor: [error] Service 'proxy' failed to start: Job for maas-proxy.service failed because a timeout was exceeded.#012See "systemctl status maas-proxy.service" and "journalctl -xe" for details.
2020-04-30T17:31:52.512391+00:00 node001 maas.service_monitor: [info] Service 'maas-proxy' is not on, it will be started.
2020-04-30T18:07:49+00:00 node003 maas.tftp: [warn] No boot images have been imported from the region.
2020-04-30T18:07:43+00:00 node002 maas.service_monitor: message repeated 3 times: [ [info] Service 'maas-proxy' is not on, it will be started.]
2020-04-30T18:07:50+00:00 node002 maas.import-images: [info] Starting rack boot image import
2020-04-30T18:07:50+00:00 node002 maas.import-images: [info] Downloading image descriptions from http://MAASVIP:80/MAAS/images-stream/streams/v1/index.json
2020-04-30T18:07:50+00:00 node002 maas.import-images: [info] Rack downloading image descriptions from 'http://MAASVIP:80/MAAS/images-stream/streams/v1/index.json'.
2020-04-30T18:07:50+00:00 node002 maas.import-images: [warn] Finished importing boot images, the region does not have any boot images available.
2020-04-30T18:07:50+00:00 node002 maas.tftp: [warn] No boot images have been imported from the region.
2020-04-30T18:08:01+00:00 node002 maas.service_monitor: [error] Service 'proxy' failed to start: Job for maas-proxy.service failed because a timeout was exceeded.#012See "systemctl status maas-proxy.service" and "journalctl -xe" for details.
2020-04-30T18:07:45.506418+00:00 node001 maas.service_monitor: message repeated 3 times: [ [info] Service 'maas-proxy' is not on, it will be started.]
2020-04-30T18:08:03.834297+00:00 node001 maas.service_monitor: [error] Service 'proxy' failed to start: Job for maas-proxy.service failed because a timeout was exceeded.#012See "systemctl status maas-proxy.service" and "journalctl -xe" for details.
2020-04-30T18:08:04+00:00 node003 maas.service_monitor: [error] Service 'proxy' failed to start: Job for maas-proxy.service failed because a timeout was exceeded.#012See "systemctl status maas-proxy.service" and "journalctl -xe" for details.
2020-04-30T18:08:04.973473+00:00 node001 maas.service_monitor: [info] Service 'maas-proxy' is not on, it will be started.
2020-04-30T18:08:07+00:00 node002 maas.import-images: [info] Downloading image descriptions from https://repo/user/current/maas-images/
2020-04-30T18:08:07+00:00 node002 maas.import-images: [info] Region downloading image descriptions from 'https://repo/user/current/maas-images/'.
2020-04-30T18:08:08+00:00 node002 maas.bootsources: [info] Updated boot sources cache.
2020-04-30T18:08:08+00:00 node002 maas.bootresources: [info] Started importing of boot images from 1 source(s).
2020-04-30T18:08:08+00:00 node002 maas.import-images: [info] Downloading image descriptions from https://repo/user/current/maas-images/
2020-04-30T18:08:08+00:00 node002 maas.import-images: [info] Region downloading image descriptions from 'https://repo/user/current/maas-images/'.
2020-04-30T18:08:09+00:00 node002 maas.bootresources: [info] Importing images from source: https://repo/user/current/maas-images/
2020-04-30T18:08:09+00:00 node002 maas.bootresources: [warn] Ignoring unsupported filetype(manifest) from com.ubuntu.maas.daily:v3:boot:18.04:amd64:ga-18.04 20200416
2020-04-30T18:08:09+00:00 node002 maas.bootresources: [warn] Ignoring unsupported filetype(manifest) from com.ubuntu.maas.daily:v3:boot:18.04:amd64:ga-18.04-lowlatency 20200416
2020-04-30T18:08:09+00:00 node002 maas.bootresources: [warn] Ignoring unsupported filetype(manifest) from com.ubuntu.maas.daily:v3:boot:18.04:amd64:hwe-18.04 20200416
2020-04-30T18:08:09+00:00 node002 maas.bootresources: [warn] Ignoring unsupported filetype(manifest) from com.ubuntu.maas.daily:v3:boot:18.04:amd64:hwe-18.04-edge 20200416
2020-04-30T18:08:09+00:00 node002 maas.bootresources: [warn] Ignoring unsupported filetype(manifest) from com.ubuntu.maas.daily:v3:boot:18.04:amd64:hwe-18.04-lowlatency 20200416
2020-04-30T18:08:10+00:00 node002 maas.bootresources: [warn] Ignoring unsupported filetype(manifest) from com.ubuntu.maas.daily:v3:boot:18.04:amd64:hwe-18.04-lowlatency-edge 20200416