If you change a label of a webserver from time to time the operator enters a loop:
1.6563254395938025e+09 INFO webserver_controller WebServe createDeployment: label-test in vmouriki-namespace using: quay.io/jfclere/tomcat-demo

{"Request.Namespace": "vmouriki-namespace", "Request.Name": "label-test"}

1.6563254396405857e+09 INFO webserver_controller Webserver hash changed: Delete Deployment and requeue reconciliation

{"Request.Namespace": "vmouriki-namespace", "Request.Name": "label-test"}

1.656325440141933e+09 INFO controller.webserver

{"reconciler group": "web.servers.org", "reconciler kind": "WebServer", "name": "label-test", "namespace": "vmouriki-namespace"}

1.6563254401420016e+09 INFO webserver_controller Reconciling WebServer

{"Request.Namespace": "vmouriki-namespace", "Request.Name": "label-test"}

1.6563254401420908e+09 INFO webserver_controller generating routing service with port 8080 cause webServer.Spec.RouteHostname=

{"Request.Namespace": "vmouriki-namespace", "Request.Name": "label-test"}

1.6563254401421251e+09 INFO webserver_controller WebServe createDeployment: label-test in vmouriki-namespace using: quay.io/jfclere/tomcat-demo

{"Request.Namespace": "vmouriki-namespace", "Request.Name": "label-test"}

1.656325440142144e+09 INFO webserver_controller Creating a new Deployment: label-test Namespace: vmouriki-namespace
1.6563254401703982e+09 INFO webserver_controller WebServer can't create deployment

{"Request.Namespace": "vmouriki-namespace", "Request.Name": "label-test"}

1.656325440177225e+09 INFO controller.webserver

{"reconciler group": "web.servers.org", "reconciler kind": "WebServer", "name": "label-test", "namespace": "vmouriki-namespace"}

1.656325440177382e+09 INFO webserver_controller Reconciling WebServer

{"Request.Namespace": "vmouriki-namespace", "Request.Name": "label-test"}

1.6563254401774876e+09 INFO webserver_controller generating routing service with port 8080 cause webServer.Spec.RouteHostname=

{"Request.Namespace": "vmouriki-namespace", "Request.Name": "label-test"}

1.6563254401775491e+09 INFO webserver_controller WebServe createDeployment: label-test in vmouriki-namespace using: quay.io/jfclere/tomcat-demo

{"Request.Namespace": "vmouriki-namespace", "Request.Name": "label-test"}

1.6563254402148402e+09 INFO webserver_controller Webserver hash changed: Delete Deployment and requeue reconciliation

{"Request.Namespace": "vmouriki-namespace", "Request.Name": "label-test"}

1.656325440715771e+09 INFO controller.webserver

{"reconciler group": "web.servers.org", "reconciler kind": "WebServer", "name": "label-test", "namespace": "vmouriki-namespace"}

1.6563254407159219e+09 INFO webserver_controller Reconciling WebServer

{"Request.Namespace": "vmouriki-namespace", "Request.Name": "label-test"}

1.656325440716075e+09 INFO webserver_controller generating routing service with port 8080 cause webServer.Spec.RouteHostname=

{"Request.Namespace": "vmouriki-namespace", "Request.Name": "label-test"}

1.6563254407161646e+09 INFO webserver_controller WebServe createDeployment: label-test in vmouriki-namespace using: quay.io/jfclere/tomcat-demo

{"Request.Namespace": "vmouriki-namespace", "Request.Name": "label-test"}

1.6563254407162123e+09 INFO webserver_controller Creating a new Deployment: label-test Namespace: vmouriki-namespace
1.6563254407401996e+09 INFO webserver_controller WebServer can't create deployment

{"Request.Namespace": "vmouriki-namespace", "Request.Name": "label-test"}