resolved: downgrade log messages about incoming LLMNR/mDNS packets on unexpected...

This might very well happen due to races between joining multicast
groups and network configuration and such, let's not complain, but just
drop the messages at debug level.

Fixes: #7527

diff --git a/src/resolve/resolved-llmnr.c b/src/resolve/resolved-llmnr.c
index d05d669db21459d55b42069a41c942c2ac6b42a6..3e6e8b93b078c553317c6c7fbd5fbf5cc687e9d0 100644 (file)
--- a/src/resolve/resolved-llmnr.c
+++ b/src/resolve/resolved-llmnr.c
@@ -101,9 +101,12 @@ static int on_llmnr_packet(sd_event_source *s, int fd, uint32_t revents, void *u
                 return r;
 
         scope = manager_find_scope(m, p);
-        if (!scope)
-                log_warning("Got LLMNR UDP packet on unknown scope. Ignoring.");
-        else if (dns_packet_validate_reply(p) > 0) {
+        if (!scope) {
+                log_debug("Got LLMNR UDP packet on unknown scope. Ignoring.");
+                return 0;
+        }
+
+        if (dns_packet_validate_reply(p) > 0) {
                 log_debug("Got LLMNR UDP reply packet for id %u", DNS_PACKET_ID(p));
 
                 dns_scope_check_conflicts(scope, p);
@@ -327,7 +330,7 @@ static int on_llmnr_stream_packet(DnsStream *s) {
 
         scope = manager_find_scope(s->manager, s->read_packet);
         if (!scope)
-                log_warning("Got LLMNR TCP packet on unknown scope. Ignoring.");
+                log_debug("Got LLMNR TCP packet on unknown scope. Ignoring.");
         else if (dns_packet_validate_query(s->read_packet) > 0) {
                 log_debug("Got LLMNR TCP query packet for id %u", DNS_PACKET_ID(s->read_packet));
 

diff --git a/src/resolve/resolved-mdns.c b/src/resolve/resolved-mdns.c
index 37cc1e970465b78a6109a6e98d458d4879f5b3f1..a492937176d2ee1e83ae42c6a2c949f12445eac8 100644 (file)
--- a/src/resolve/resolved-mdns.c
+++ b/src/resolve/resolved-mdns.c
@@ -121,7 +121,7 @@ static int on_mdns_packet(sd_event_source *s, int fd, uint32_t revents, void *us
 
         scope = manager_find_scope(m, p);
         if (!scope) {
-                log_warning("Got mDNS UDP packet on unknown scope. Ignoring.");
+                log_debug("Got mDNS UDP packet on unknown scope. Ignoring.");
                 return 0;
         }