Found the root cause, the snapd seeded service was waiting.
$ systemctl status snapd.seeded.service ● snapd.seeded.service - Wait until snapd is fully seeded Loaded: loaded (/lib/systemd/system/snapd.seeded.service; enabled; vendor preset: enabled) Active: activating (start) since Mon 2019-05-20 02:49:56 EDT; 5min ago Main PID: 1432 (snap) Tasks: 15 (limit: 4915) CGroup: /system.slice/snapd.seeded.service └─1432 /usr/bin/snap wait system seed.loaded
May 20 02:49:56 u-ThinkPad-X390-Yoga systemd[1]: Starting Wait until snapd is fully seeded...
Found the root cause, the snapd seeded service was waiting.
$ systemctl status snapd.seeded. service service - Wait until snapd is fully seeded system/ snapd.seeded. service; enabled; vendor preset: enabled) slice/snapd. seeded. service
● snapd.seeded.
Loaded: loaded (/lib/systemd/
Active: activating (start) since Mon 2019-05-20 02:49:56 EDT; 5min ago
Main PID: 1432 (snap)
Tasks: 15 (limit: 4915)
CGroup: /system.
└─1432 /usr/bin/snap wait system seed.loaded
May 20 02:49:56 u-ThinkPad- X390-Yoga systemd[1]: Starting Wait until snapd is fully seeded...