smokeping not updating rrd's properly

I'm using smokeping on 2 ubuntu server without any issue, but on my armbian server (Armbian 22.11.1 Jammy) it doesn't update the rrd-files properly.

As far as I see it all configs are identical.

My rrds always looks like this:

rrdtool fetch /var/lib/smokeping/Local/googlecom.rrd AVERAGE 
1674323100: nan 2.0000000000e+01 nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan

It does updating, but always only the second value with these 2.000000000+01.

What could be the issue?

Before smokeping had an issue with my $LC_ALL but I updated it and now it should be fine.

smokeinfo /etc/smokeping/config 
### assuming you are using an fping copy reporting in milliseconds 
# node_path;med_avg;med_min;med_max;med_now;loss_avg;loss_max;loss_now 
/Local/LocalMachine;NaN;NaN;NaN;NaN;1.000000e+00;1.000000e+00;1.000000e+00 
/Local/googlecom;NaN;NaN;NaN;NaN;1.000000e+00;1.000000e+00;1.000000e+00  

smokeping --check 
Configuration file '/etc/smokeping/config' syntax OK.

EDIT: found it, it was a problem with fping, for some reason I have to do the following parameters, that my fping works:

`fping -4 -S 192.168.0.3 -I eth0 google.com`

without S, I or 4 it doesn't work. I always get host isn't alive.

Edited January 22, 20233 yr by Tone