resolved: downgrade log messages about switching DNS servers

As suggested in:

https://github.com/systemd/systemd/commit/496ae8c84b2d3622bc767a727e3582e2b6bcffcd#commitcomment-22819483

Let's drop some noise from the logs, as switching between DNS servers is
definitely useful for debugging, but shouldn't get more attention that
that.

diff --git a/src/resolve/resolved-dns-server.c b/src/resolve/resolved-dns-server.c
index 9c3ee01..b3d3752 100644 (file)
--- a/src/resolve/resolved-dns-server.c
+++ b/src/resolve/resolved-dns-server.c
@@ -719,9 +719,9 @@ DnsServer *manager_set_dns_server(Manager *m, DnsServer *s) {
                 return s;
 
         if (s)
-                log_info("Switching to %s DNS server %s.",
-                         dns_server_type_to_string(s->type),
-                         dns_server_string(s));
+                log_debug("Switching to %s DNS server %s.",
+                          dns_server_type_to_string(s->type),
+                          dns_server_string(s));
 
         dns_server_unref(m->current_dns_server);
         m->current_dns_server = dns_server_ref(s);

diff --git a/src/resolve/resolved-link.c b/src/resolve/resolved-link.c
index fc59a67..25b8c11 100644 (file)
--- a/src/resolve/resolved-link.c
+++ b/src/resolve/resolved-link.c
@@ -617,7 +617,7 @@ DnsServer* link_set_dns_server(Link *l, DnsServer *s) {
                 return s;
 
         if (s)
-                log_info("Switching to DNS server %s for interface %s.", dns_server_string(s), l->name);
+                log_debug("Switching to DNS server %s for interface %s.", dns_server_string(s), l->name);
 
         dns_server_unref(l->current_dns_server);
         l->current_dns_server = dns_server_ref(s);