http-remoting-connector is missing capability reference to the undertow connector.
[standalone@localhost:9990 /] /subsystem=remoting/http-connector=http-remoting-connector:write-attribute(name=connector-ref,value=foo)
{
    "outcome" => "success",
    "response-headers" => {
        "operation-requires-reload" => true,
        "process-state" => "reload-required"
    }
}
results in a cryptic error
11:33:01,792 INFO  [org.jboss.as.controller] (management-handler-thread - 1) WFLYCTL0183: Service status report
WFLYCTL0184:    New missing/unsatisfied dependencies:
      service jboss.remoting.remotingConnectorInfoService.http-remoting-connector (missing) dependents: [service org.wildfly.clustering.cache.registry-entry.ejb.client-mappings, service org.wildfly.ejb.remote]
WFLYCTL0448: 5 additional services are down due to their dependencies being missing or failed
11:33:15,334 INFO  [org.jboss.as.controller] (management-handler-thread - 1) WFLYCTL0183: Service status report
WFLYCTL0185:    Newly corrected services:
      service jboss.ejb.association (new available)
      service jboss.ejb.remoting.connector.client-mappings (new available)
      service jboss.remoting.remotingConnectorInfoService.http-remoting-connector (no longer required)
      service org.wildfly.clustering.cache.registry-entry.ejb.client-mappings (new available)
      service org.wildfly.clustering.cache.registry-factory.ejb.client-mappings (new available)
      service org.wildfly.clustering.group.ejb (new available)