Try to delete network even if vm does not exist

tools/vm

@@ -111,13 +111,12 @@ function delete() {
 			virsh --connect="${CONNECTION}" destroy "${VM_NAME}"
 		fi
 		virsh --connect="${CONNECTION}" undefine "${VM_NAME}" --remove-all-storage
-	else
-		echo "VM doest not exists"
-		exit -1
 	fi
 
 	if [[ $(virsh --connect="${CONNECTION}" net-list --all | grep -c "${NETWORK}") > "0" ]]; then
-		virsh --connect="${CONNECTION}" net-destroy "${NETWORK}"
+		if [[ $(virsh --connect="${CONNECTION}" list | grep -c "${VM_NAME}") > "0" ]]; then
+			virsh --connect="${CONNECTION}" net-destroy "${NETWORK}"
+		fi
 		virsh --connect="${CONNECTION}" net-undefine "${NETWORK}"
 	fi
 }