Sys-net sometimes loses network connectivity after waking up from suspend

Sometimes the sys-net qube loses connectivity after I wake my laptop up from suspend. I can’t tell what the problem in sys-net is, systemctl status networking.service shows everything to be normal.
After restarting sys-net everything works again. What are some places to start looking for the problem the next time this happens to figure out why this is happening?

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Maybe your network adapter driver do not reload automatically on suspend/resume:

If it won’t help then you can search for the similar issues and solutions to them here: