udevd: add pid to kmsg logs

udev/udev-event.c

@@ -454,8 +454,8 @@ static void rename_netif_kernel_log(struct ifreq ifr)
 		return;
 	}
 
-	fprintf(f, "<6>udev: renamed network interface %s to %s\n",
-		ifr.ifr_name, ifr.ifr_newname);
+	fprintf(f, "<6>udev[%u]: renamed network interface %s to %s\n",
+		getpid(), ifr.ifr_name, ifr.ifr_newname);
 	fclose(f);
 }
 

udev/udevd.c

@@ -1298,7 +1298,7 @@ int main(int argc, char *argv[])
 
 	f = fopen("/dev/kmsg", "w");
 	if (f != NULL) {
-		fprintf(f, "<6>udev: starting version " VERSION "\n");
+		fprintf(f, "<6>udev[%u]: starting version " VERSION "\n", getpid());
 		fclose(f);
 	}