High CPU usage after restart HA

Don’t know if this is the right place to ask but:

I’m running Home Assistant on Debian 10 which is a VM in Proxmox.

When starting the VM everything is fine and dandy. CPU usage is around 4%. Running like this for days.
Can do everything in HA. But as soon as I restart HA through the server controls the CPU shoots up to 70/80%. And won’t come down. Only a reboot of the whole VM fixes this.

HTOP shows this:

Should I be thinking in the NodeRED sector? I already fixed everythinh in NodeRED (All unused stuff disabled/removed, No wrong nodes, All flows correctly working)

And why does it only happen after a reboot of HA? And not after a full reboot of the VM. Where everything is also up and running.

After a reboot HTOP looks like this: