Comment 1 for bug 1610026

manually starting it works fine as well ... the issue is that snapweb tries to start before the network is up:

[ OK ] Started LSB: Set the CPU Frequency Scaling governor to "ondemand".
[ OK ] Stopped Service for snap application snapweb.snapweb.
[ OK ] Started Service for snap application snapweb.snapweb.
[ OK ] Stopped Service for snap application snapweb.snapweb.
[ OK ] Started Service for snap application snapweb.snapweb.
[ OK ] Stopped Service for snap application snapweb.snapweb.
[ OK ] Started Service for snap application snapweb.snapweb.
[ OK ] Stopped Service for snap application snapweb.snapweb.
[ OK ] Started Service for snap application snapweb.snapweb.
[ OK ] Stopped Service for snap application snapweb.snapweb.
[FAILED] Failed to start Service for snap application snapweb.snapweb.
See 'systemctl status snap.snapweb.snapweb.service' for details.
...
[ OK ] Started Initial cloud-init job (pre-networking).
[ OK ] Reached target Network (Pre).
         Starting Raise network interfaces...
[ OK ] Started ifup for wlan0.
[ OK ] Started ifup for enxb827ebc92b03.
...

ubuntu@localhost:~$ ps ax|grep snapweb
ubuntu@localhost:~$
ubuntu@localhost:~$ sudo systemctl start snap.snapweb.snapweb.service
ubuntu@localhost:~$ ps ax|grep snapweb
 2993 ? Ssl 0:00 /snap/snapweb/4/bin/arm-linux-gnueabihf/snapweb
ubuntu@localhost:~$