$ snap change 233 # the one that failed Status Spawn Ready Summary Done today at 15:36 CET today at 15:38 CET Ensure prerequisites for "snapd" are available Undone today at 15:36 CET today at 15:38 CET Download snap "snapd" (6775) from channel "latest/edge" Done today at 15:36 CET today at 15:38 CET Fetch and check assertions for snap "snapd" (6775) Undone today at 15:36 CET today at 15:38 CET Mount snap "snapd" (6775) Undone today at 15:36 CET today at 15:38 CET Run pre-refresh hook of "snapd" snap if present Undone today at 15:36 CET today at 15:38 CET Stop snap "snapd" services Undone today at 15:36 CET today at 15:38 CET Remove aliases for snap "snapd" Undone today at 15:36 CET today at 15:38 CET Make current revision for snap "snapd" unavailable Undone today at 15:36 CET today at 15:38 CET Copy snap "snapd" data Undone today at 15:36 CET today at 15:38 CET Setup snap "snapd" (6775) security profiles Undone today at 15:36 CET today at 15:38 CET Make snap "snapd" (6775) available to the system Error today at 15:36 CET today at 15:38 CET Automatically connect eligible plugs and slots of snap "snapd" Hold today at 15:36 CET today at 15:38 CET Set automatic aliases for snap "snapd" Hold today at 15:36 CET today at 15:38 CET Setup snap "snapd" aliases Hold today at 15:36 CET today at 15:38 CET Run post-refresh hook of "snapd" snap if present Hold today at 15:36 CET today at 15:38 CET Start snap "snapd" (6775) services Hold today at 15:36 CET today at 15:38 CET Remove data for snap "snapd" (5757) Hold today at 15:36 CET today at 15:38 CET Remove snap "snapd" (5757) from the system Hold today at 15:36 CET today at 15:38 CET Clean up "snapd" (6775) install Hold today at 15:36 CET today at 15:38 CET Run health check of "snapd" snap Done today at 15:36 CET today at 15:38 CET Consider re-refresh of "snapd" ...................................................................... Make current revision for snap "snapd" unavailable 2020-03-16T15:38:26+01:00 INFO Requested daemon restart (snapd snap). ...................................................................... Make snap "snapd" (6775) available to the system 2020-03-16T15:37:41+01:00 INFO Requested daemon restart (snapd snap). ...................................................................... Automatically connect eligible plugs and slots of snap "snapd" 2020-03-16T15:38:04+01:00 INFO Waiting for restart... 2020-03-16T15:38:04+01:00 INFO Waiting for restart... 2020-03-16T15:38:04+01:00 INFO Waiting for restart... 2020-03-16T15:38:05+01:00 INFO Waiting for restart... 2020-03-16T15:38:05+01:00 INFO Waiting for restart... 2020-03-16T15:38:05+01:00 INFO Waiting for restart... 2020-03-16T15:38:06+01:00 INFO Waiting for restart... 2020-03-16T15:38:06+01:00 INFO Waiting for restart... 2020-03-16T15:38:06+01:00 INFO Waiting for restart... 2020-03-16T15:38:09+01:00 ERROR there was a snapd rollback across the restart Compare this with $ snap change 241 # the one that worked Status Spawn Ready Summary Done today at 15:41 CET today at 15:41 CET Ensure prerequisites for "snapd" are available Done today at 15:41 CET today at 15:41 CET Download snap "snapd" (6791) from channel "latest/edge" Done today at 15:41 CET today at 15:41 CET Fetch and check assertions for snap "snapd" (6791) Done today at 15:41 CET today at 15:41 CET Mount snap "snapd" (6791) Done today at 15:41 CET today at 15:41 CET Run pre-refresh hook of "snapd" snap if present Done today at 15:41 CET today at 15:41 CET Stop snap "snapd" services Done today at 15:41 CET today at 15:41 CET Remove aliases for snap "snapd" Done today at 15:41 CET today at 15:41 CET Make current revision for snap "snapd" unavailable Done today at 15:41 CET today at 15:41 CET Copy snap "snapd" data Done today at 15:41 CET today at 15:42 CET Setup snap "snapd" (6791) security profiles Done today at 15:41 CET today at 15:42 CET Make snap "snapd" (6791) available to the system Done today at 15:41 CET today at 15:43 CET Automatically connect eligible plugs and slots of snap "snapd" Done today at 15:41 CET today at 15:43 CET Set automatic aliases for snap "snapd" Done today at 15:41 CET today at 15:43 CET Setup snap "snapd" aliases Done today at 15:41 CET today at 15:43 CET Run post-refresh hook of "snapd" snap if present Done today at 15:41 CET today at 15:43 CET Start snap "snapd" (6791) services Done today at 15:41 CET today at 15:43 CET Remove data for snap "snapd" (5757) Done today at 15:41 CET today at 15:43 CET Remove snap "snapd" (5757) from the system Done today at 15:41 CET today at 15:43 CET Clean up "snapd" (6791) install Done today at 15:41 CET today at 15:43 CET Run health check of "snapd" snap Done today at 15:41 CET today at 15:43 CET Consider re-refresh of "snapd" ...................................................................... Make snap "snapd" (6791) available to the system 2020-03-16T15:42:10+01:00 INFO Requested daemon restart (snapd snap). ...................................................................... Automatically connect eligible plugs and slots of snap "snapd" 2020-03-16T15:42:11+01:00 INFO Waiting for restart... ...................................................................... Consider re-refresh of "snapd" 2020-03-16T15:43:14+01:00 INFO No re-refreshes found.