Description
Steps to reproduce -
1. Start a router with listener listening on the standard amqp port 5672
2. qdmanage -b amqp://localhost:5672 create --type=listener addr=localhost port=5672 name=localhost.5672.listener authenticatePeer=false
3. qdmanage -b amqp://localhost:5672 delete --type=listener --name localhost.5672.listener
Step #3 will cause the router to crash