anchor.diff:  net-list,network list,List networks that belong to a given tenant.
   net-list-on-dhcp-agent,network list --agent,List the networks on a DHCP agent.
   net-show,network show,Show information of a given network.
  -net-update,network set,Update network's information.
  +net-update,network set / network unset,Update network's information.
   port-create,port create,Create a port for a given tenant.
   port-delete,port delete,Delete a given port.
   port-list,port list,List ports that belong to a given tenant.
   port-show,port show,Show information of a given port.
  -port-update,port set/port unset,Update port's information.
  +port-update,port set / port unset,Update port's information.
   purge,,Delete all resources that belong to a given tenant.
   qos-available-rule-types,network qos rule type list,List available qos rule types.
   qos-bandwidth-limit-rule-create,network qos rule create --type bandwidth-limit,Create a qos bandwidth limit rule.
  
positive.code: security-group-rule-list,security group rule list,List security group rules that belong to a given tenant.
  security-group-rule-show,security group rule show,Show information of a given security group rule.
  security-group-show,security group show,Show information of a given security group.
  security-group-update,security group set,Update a given security group.
  service-provider-list,network service provider list,List service providers.
  subnet-create,subnet create,Create a subnet for a given tenant.
  subnet-delete,subnet delete,Delete a given subnet.
  
negative.code: router-create,router create,Create a router for a given tenant.
  router-delete,router delete,Delete a given router.
  router-gateway-clear,router unset,Remove an external network gateway from a router.
  router-gateway-set,router set / router unset,Set the external network gateway for a router.
  router-interface-add,router add subnet / router add port,Add an internal network interface to a router.
  router-interface-delete,router remove subnet / router remove port,Remove an internal network interface from a router.
  router-list,router list,List routers that belong to a given tenant.
  