Several errors on installation on LIME2

I installed Yunohost on LIME2 and got these errors:

admin@Gildurklaus:~$ sudo journalctl -b -p 3 --no-pager
-- Logs begin at Sun 2018-03-18 05:53:44 CET, end at Sun 2018-03-18 10:16:28 CET. --
Mar 18 05:53:44 Gildurklaus kernel: /cpus/cpu@0 missing clock-frequency property
Mar 18 05:53:44 Gildurklaus kernel: /cpus/cpu@1 missing clock-frequency property
Mar 18 05:53:44 Gildurklaus kernel: edma-dma-engine edma-dma-engine.0: Can't allocate PaRAM dummy slot
Mar 18 05:53:44 Gildurklaus systemd-fstab-generator[128]: Failed to create mount unit file /run/systemd/generator/-.mount, as it already exists. Duplicate entry in /etc/fstab?
Mar 18 05:53:44 Gildurklaus systemd-fstab-generator[128]: Failed to create mount unit file /run/systemd/generator/-.mount, as it already exists. Duplicate entry in /etc/fstab?
Mar 18 05:53:44 Gildurklaus systemd-fstab-generator[128]: Failed to create mount unit file /run/systemd/generator/-.mount, as it already exists. Duplicate entry in /etc/fstab?
Mar 18 05:53:44 Gildurklaus systemd-fstab-generator[128]: Failed to create mount unit file /run/systemd/generator/-.mount, as it already exists. Duplicate entry in /etc/fstab?
Mar 18 05:53:44 Gildurklaus systemd-fstab-generator[128]: Failed to create mount unit file /run/systemd/generator/-.mount, as it already exists. Duplicate entry in /etc/fstab?
Mar 18 05:53:52 Gildurklaus dhclient[508]: Bind socket to interface: No such device
Mar 18 05:53:52 Gildurklaus dhclient[508]: 
Mar 18 05:53:52 Gildurklaus dhclient[508]: If you think you have received this message due to a bug rather
Mar 18 05:53:52 Gildurklaus dhclient[508]: than a configuration issue please read the section on submitting
Mar 18 05:53:52 Gildurklaus dhclient[508]: bugs on either our web page at www.isc.org or in the README file
Mar 18 05:53:52 Gildurklaus dhclient[508]: before submitting a bug.  These pages explain the proper
Mar 18 05:53:52 Gildurklaus dhclient[508]: process and the information we find helpful for debugging..
Mar 18 05:53:52 Gildurklaus dhclient[508]: 
Mar 18 05:53:52 Gildurklaus dhclient[508]: exiting.
Mar 18 05:53:54 Gildurklaus avahi-daemon[579]: chroot.c: open() failed: No such file or directory

I already fixed the systemd-fstab-generator[128] problem by running the command:

sudo nano /etc/fstab

And deleting the duplicate lines.