Some more details about what's happening inside snapd: $ snap changes --abs-time ID Status Spawn Ready Summary 1 Done 2018-10-09T20:35:36Z 2018-10-09T20:35:47Z Initialize system state 2 Done 2018-10-09T20:35:36Z 2018-10-09T20:35:38Z Initialize device $ snap change --abs-time 1 Status Spawn Ready Summary Done 2018-10-09T20:35:35Z 2018-10-09T20:35:36Z Ensure prerequisites for "core" are available Done 2018-10-09T20:35:35Z 2018-10-09T20:35:36Z Prepare snap "/var/lib/snapd/seed/snaps/core_5548.snap" (5548) Done 2018-10-09T20:35:35Z 2018-10-09T20:35:37Z Mount snap "core" (5548) Done 2018-10-09T20:35:35Z 2018-10-09T20:35:37Z Copy snap "core" data Done 2018-10-09T20:35:35Z 2018-10-09T20:35:38Z Setup snap "core" (5548) security profiles Done 2018-10-09T20:35:35Z 2018-10-09T20:35:38Z Make snap "core" (5548) available to the system Done 2018-10-09T20:35:35Z 2018-10-09T20:35:39Z Automatically connect eligible plugs and slots of snap "core" Done 2018-10-09T20:35:35Z 2018-10-09T20:35:39Z Set automatic aliases for snap "core" Done 2018-10-09T20:35:35Z 2018-10-09T20:35:39Z Setup snap "core" aliases Done 2018-10-09T20:35:35Z 2018-10-09T20:35:39Z Run install hook of "core" snap if present Done 2018-10-09T20:35:35Z 2018-10-09T20:35:39Z Start snap "core" (5548) services Done 2018-10-09T20:35:35Z 2018-10-09T20:35:39Z Run configure hook of "core" snap if present Done 2018-10-09T20:35:35Z 2018-10-09T20:35:39Z Ensure prerequisites for "lxd" are available Done 2018-10-09T20:35:35Z 2018-10-09T20:35:39Z Prepare snap "/var/lib/snapd/seed/snaps/lxd_9010.snap" (9010) Done 2018-10-09T20:35:35Z 2018-10-09T20:35:39Z Mount snap "lxd" (9010) Done 2018-10-09T20:35:35Z 2018-10-09T20:35:39Z Copy snap "lxd" data Done 2018-10-09T20:35:35Z 2018-10-09T20:35:40Z Setup snap "lxd" (9010) security profiles Done 2018-10-09T20:35:35Z 2018-10-09T20:35:40Z Make snap "lxd" (9010) available to the system Done 2018-10-09T20:35:35Z 2018-10-09T20:35:41Z Automatically connect eligible plugs and slots of snap "lxd" Done 2018-10-09T20:35:35Z 2018-10-09T20:35:44Z Set automatic aliases for snap "lxd" Done 2018-10-09T20:35:35Z 2018-10-09T20:35:44Z Setup snap "lxd" aliases Done 2018-10-09T20:35:35Z 2018-10-09T20:35:44Z Run install hook of "lxd" snap if present Done 2018-10-09T20:35:35Z 2018-10-09T20:35:45Z Start snap "lxd" (9010) services Done 2018-10-09T20:35:35Z 2018-10-09T20:35:45Z Run configure hook of "lxd" snap if present Done 2018-10-09T20:35:36Z 2018-10-09T20:35:45Z Ensure prerequisites for "google-cloud-sdk" are available Done 2018-10-09T20:35:36Z 2018-10-09T20:35:45Z Prepare snap "/var/lib/snapd/seed/snaps/google-cloud-sdk_55.snap" (55) Done 2018-10-09T20:35:36Z 2018-10-09T20:35:46Z Mount snap "google-cloud-sdk" (55) Done 2018-10-09T20:35:36Z 2018-10-09T20:35:46Z Copy snap "google-cloud-sdk" data Done 2018-10-09T20:35:36Z 2018-10-09T20:35:46Z Setup snap "google-cloud-sdk" (55) security profiles Done 2018-10-09T20:35:36Z 2018-10-09T20:35:46Z Make snap "google-cloud-sdk" (55) available to the system Done 2018-10-09T20:35:36Z 2018-10-09T20:35:46Z Automatically connect eligible plugs and slots of snap "google-cloud-sdk" Done 2018-10-09T20:35:36Z 2018-10-09T20:35:46Z Set automatic aliases for snap "google-cloud-sdk" Done 2018-10-09T20:35:36Z 2018-10-09T20:35:46Z Setup snap "google-cloud-sdk" aliases Done 2018-10-09T20:35:36Z 2018-10-09T20:35:46Z Run install hook of "google-cloud-sdk" snap if present Done 2018-10-09T20:35:36Z 2018-10-09T20:35:47Z Start snap "google-cloud-sdk" (55) services Done 2018-10-09T20:35:36Z 2018-10-09T20:35:47Z Run configure hook of "google-cloud-sdk" snap if present Done 2018-10-09T20:35:33Z 2018-10-09T20:35:47Z Mark system seeded Done 2018-10-09T20:35:41Z 2018-10-09T20:35:41Z Run hook prepare-plug-lxd-support of snap "lxd" Done 2018-10-09T20:35:41Z 2018-10-09T20:35:41Z Run hook prepare-slot-lxd-support of snap "core" Done 2018-10-09T20:35:41Z 2018-10-09T20:35:42Z Connect lxd:lxd-support to core:lxd-support Done 2018-10-09T20:35:41Z 2018-10-09T20:35:42Z Run hook connect-slot-lxd-support of snap "core" Done 2018-10-09T20:35:41Z 2018-10-09T20:35:42Z Run hook connect-plug-lxd-support of snap "lxd" Done 2018-10-09T20:35:41Z 2018-10-09T20:35:41Z Run hook prepare-plug-network of snap "lxd" Done 2018-10-09T20:35:41Z 2018-10-09T20:35:41Z Run hook prepare-slot-network of snap "core" Done 2018-10-09T20:35:41Z 2018-10-09T20:35:42Z Connect lxd:network to core:network Done 2018-10-09T20:35:41Z 2018-10-09T20:35:42Z Run hook connect-slot-network of snap "core" Done 2018-10-09T20:35:41Z 2018-10-09T20:35:42Z Run hook connect-plug-network of snap "lxd" Done 2018-10-09T20:35:41Z 2018-10-09T20:35:41Z Run hook prepare-plug-network-bind of snap "lxd" Done 2018-10-09T20:35:41Z 2018-10-09T20:35:41Z Run hook prepare-slot-network-bind of snap "core" Done 2018-10-09T20:35:41Z 2018-10-09T20:35:44Z Connect lxd:network-bind to core:network-bind Done 2018-10-09T20:35:41Z 2018-10-09T20:35:44Z Run hook connect-slot-network-bind of snap "core" Done 2018-10-09T20:35:41Z 2018-10-09T20:35:44Z Run hook connect-plug-network-bind of snap "lxd" Done 2018-10-09T20:35:41Z 2018-10-09T20:35:41Z Run hook prepare-plug-system-observe of snap "lxd" Done 2018-10-09T20:35:41Z 2018-10-09T20:35:41Z Run hook prepare-slot-system-observe of snap "core" Done 2018-10-09T20:35:41Z 2018-10-09T20:35:43Z Connect lxd:system-observe to core:system-observe Done 2018-10-09T20:35:41Z 2018-10-09T20:35:43Z Run hook connect-slot-system-observe of snap "core" Done 2018-10-09T20:35:41Z 2018-10-09T20:35:43Z Run hook connect-plug-system-observe of snap "lxd" ...................................................................... Make snap "core" (5548) available to the system 2018-10-09T20:35:38Z INFO Requested daemon restart. ubuntu@cosmic-181009-1635:~$ snap change --abs-time 2 Status Spawn Ready Summary Done 2018-10-09T20:35:36Z 2018-10-09T20:35:38Z Generate device key Done 2018-10-09T20:35:36Z 2018-10-09T20:35:38Z Request device serial