Fixes keyerror on delete for virtual transports
Fixes keyerror on delete for virtual transports

jindongh/kombu,iris-edu-int/kombu,xujun10110/kombu,alex/kombu,iris-edu-int/kombu,celery/kombu,xujun10110/kombu,daevaorn/kombu,Elastica/kombu,andresriancho/kombu,jindongh/kombu,alex/kombu,depop/kombu,Elastica/kombu,daevaorn/kombu,ZoranPavlovic/kombu,romank0/kombu,numb3r3/kombu,tkanemoto/kombu,tkanemoto/kombu,bmbouter/kombu,romank0/kombu,andresriancho/kombu,mathom/kombu,bmbouter/kombu,ZoranPavlovic/kombu,urbn/kombu,depop/kombu,numb3r3/kombu,cce/kombu,mathom/kombu,mverrilli/kombu,cce/kombu,mverrilli/kombu