change error messages to warnings, specify retrying

src/modules/simulation/gz_bridge/GZBridge.cpp

@@ -141,7 +141,7 @@ int GZBridge::init()
 
 				// If Gazebo has not been called, wait 2 seconds and try again.
 				else {
-					PX4_WARN("Service call timed out as Gazebo has not been detected.");
+					PX4_WARN("Service call timed out as Gazebo has not been detected. Retrying...");
 					system_usleep(2000000);
 				}
 			}
@@ -159,7 +159,7 @@ int GZBridge::init()
 
 			while (scene_created == false) {
 				if (!callSceneInfoMsgService(scene_info_service)) {
-					PX4_WARN("Service call timed out as Gazebo has not been detected.");
+					PX4_WARN("Service call timed out as Gazebo has not been detected." Retrying...);
 					system_usleep(2000000);
 
 				} else {
@@ -919,7 +919,7 @@ bool GZBridge::callEntityFactoryService(const std::string &service, const gz::ms
 		}
 
 	} else {
-		PX4_ERR("Service call timed out. Check GZ_SIM_RESOURCE_PATH is set correctly.");
+		PX4_WARN("Service call timed out. Check GZ_SIM_RESOURCE_PATH is set correctly.");
 		return false;
 	}
 
@@ -942,7 +942,7 @@ bool GZBridge::callSceneInfoMsgService(const std::string &service)
 		}
 
 	} else {
-		PX4_ERR("Service call timed out. Check GZ_SIM_RESOURCE_PATH is set correctly.");
+		PX4_WARN("Service call timed out. Check GZ_SIM_RESOURCE_PATH is set correctly.");
 		return false;
 	}
 
@@ -964,7 +964,7 @@ bool GZBridge::callStringMsgService(const std::string &service, const gz::msgs::
 	}
 
 	else {
-		PX4_ERR("Service call timed out: %s", service.c_str());
+		PX4_WARN("Service call timed out: %s", service.c_str());
 		return false;
 	}
 
@@ -986,7 +986,7 @@ bool GZBridge::callVector3dService(const std::string &service, const gz::msgs::V
 	}
 
 	else {
-		PX4_ERR("Service call timed out: %s", service.c_str());
+		PX4_WARN("Service call timed out: %s", service.c_str());
 		return false;
 	}