PVE 8.4.1 Debian 12
LXC VE also Debian 12
NameServer on VE is under a so called pseudo-random subdomain (PRSD) attack. Basically a bot-net is flooding DNS w. MASSES of silly requests.
The VE is at 98% idle but legit requests do not come through, apparently due to the Receive- or RX-Buffer...
