udev: setting the same log level to SYSTEMD realm

Otherwise, many debug logs from libsystemd are dropped.

src/udev/udevadm-hwdb.c

@@ -80,8 +80,6 @@ static int parse_argv(int argc, char *argv[]) {
 int hwdb_main(int argc, char *argv[], void *userdata) {
         int r;
 
-        log_set_max_level_realm(LOG_REALM_SYSTEMD, log_get_max_level());
-
         r = parse_argv(argc, argv);
         if (r <= 0)
                 return r;

src/udev/udevadm.c

@@ -112,6 +112,7 @@ int main(int argc, char *argv[]) {
         udev_parse_config();
         log_parse_environment();
         log_open();
+        log_set_max_level_realm(LOG_REALM_SYSTEMD, log_get_max_level());
         mac_selinux_init();
 
         r = parse_argv(argc, argv);

src/udev/udevd.c

@@ -1702,6 +1702,8 @@ int main(int argc, char *argv[]) {
                 log_set_max_level(LOG_DEBUG);
         }
 
+        log_set_max_level_realm(LOG_REALM_SYSTEMD, log_get_max_level());
+
         r = must_be_root();
         if (r < 0)
                 goto exit;