diff --git a/src/resolve/resolved-dns-server.c b/src/resolve/resolved-dns-server.c index 8248156354..073489acae 100644 --- a/src/resolve/resolved-dns-server.c +++ b/src/resolve/resolved-dns-server.c @@ -867,10 +867,11 @@ DnsServer *manager_set_dns_server(Manager *m, DnsServer *s) { if (m->current_dns_server == s) return s; + /* Let's log about the server switch, at debug level. Except if we switch from a non-fallback server + * to a fallback server or back, since that is noteworthy and possibly a configuration issue */ if (s) - log_debug("Switching to %s DNS server %s.", - dns_server_type_to_string(s->type), - strna(dns_server_string_full(s))); + log_full((s->type == DNS_SERVER_FALLBACK) != (m->current_dns_server && m->current_dns_server->type == DNS_SERVER_FALLBACK) ? LOG_NOTICE : LOG_DEBUG, + "Switching to %s DNS server %s.", dns_server_type_to_string(s->type), strna(dns_server_string_full(s))); dns_server_unref(m->current_dns_server); m->current_dns_server = dns_server_ref(s);