Raise an alert if kernel policy installation fails

src/libcharon/bus/bus.h

@@ -116,6 +116,8 @@ enum alert_t {
 	ALERT_TS_MISMATCH,
 	/** Installation of IPsec SAs failed, argument is child_sa_t */
 	ALERT_INSTALL_CHILD_SA_FAILED,
+	/** Installation of IPsec Policy failed, argument is child_sa_t */
+	ALERT_INSTALL_CHILD_POLICY_FAILED,
 	/** IKE_SA deleted because of "replace" unique policy, no argument */
 	ALERT_UNIQUE_REPLACE,
 	/** IKE_SA deleted because of "keep" unique policy, no arguement */

src/libcharon/sa/ikev2/tasks/child_create.c

@@ -586,6 +586,8 @@ static status_t select_and_install(private_child_create_t *this,
 	if (status != SUCCESS)
 	{
 		DBG1(DBG_IKE, "unable to install IPsec policies (SPD) in kernel");
+		charon->bus->alert(charon->bus, ALERT_INSTALL_CHILD_POLICY_FAILED,
+						   this->child_sa);
 		return NOT_FOUND;
 	}