I found instead interesting the "broadcast/multicast datagrams" that let me think that that your dest network was probably missing for a while. I dont think it like an unbound problem. As if the resource, ie. the dns server, is unreachable unbound doesn't cache.
Apr 29, 2025 15:34:48 Kapetanakis Giannis <bil...@edu.physics.uoc.gr>: > Can it be related to this: dropped due to no socket? > > # netstat -ss|grep -A7 ^udp > udp: > 819120 datagrams received > 15494 with no checksum > 22621 dropped due to no socket > 170569 broadcast/multicast datagrams dropped due to no socket > 625930 delivered > 6497322 datagrams output > 341480 missed PCB cache