Status failed on Ubuntu 18.04.3 LTS with systemd

[christiankakesa]

Describe the bug
When connecting the Skywallet with skyhwd started with systemd the connection is failed.
When start the skyhwd in terminal and click to the Skywallet button on the desktop wallet it's works.

Environment information:

• Ubuntu 18.04.3 LTS
• Platform: Linux 4.15.0-72-generic x86_64
• Firmware Version: default

Steps to Reproduce
Steps to reproduce the behavior:

Install the skyhwd daemon on linux (deb package)

1. Run sudo systemctl status skyhwd.service, the daemon is active
2. Connect the Skywallet device to an USB port
3. Run a desktop wallet and wait the end of block synchronisation
4. See error

Actual behavior

Expected behavior
Having the Skywallet connected to the desktop wallet and presenting a PIN window