enricher/standard/src/main/java/io/fabric8/maven/enricher/standard/DefaultServiceEnricher.java
private void addPortIfNotNull(List<ServicePort> ret, ServicePort port) {
        if (port != null) {
            ret.add(port);
        }
    }
private void addPortIfNotNull(List<ServicePort> ret, ServicePort port) {
        if (port != null) {
            ret.add(port);
        }
    }
null ports can happen for ignored mappings