Make getSvcRecords() more robust
Make getSvcRecords() more robust

Signed-off-by: Alessandro Boch <5bd2eb5b6f60921d9a2b9cb6a0a86bb947f3d361@docker.com>

nawawi/docker,moul/docker,docker/docker,jimjag/docker,AkihiroSuda/docker,jthelin/docker,paralin/docker,moul/docker,mahak/docker,flavio/docker,Ramzec/docker,Ramzec/docker,bearstech/moby,thaJeztah/docker,paralin/docker,flavio/docker,yosifkit/docker,Mokolea/docker,moul/docker,nalind/docker,nawawi/docker,nalind/docker,cpuguy83/docker,moul/docker,trebonian/docker,bearstech/moby,AkihiroSuda/docker,yosifkit/docker,AkihiroSuda/docker,docker/docker,docker/docker,vdemeester/docker,mahak/docker,flavio/docker,vdemeester/docker,jameszhan/docker,konstruktoid/docker-upstream,jameszhan/docker,cpuguy83/docker,flavio/docker,Mokolea/docker,jimjag/docker,nalind/docker,moby/moby,jimjag/docker,vdemeester/docker,moby/moby,mahak/docker,cpuguy83/docker,mahak/docker,gnailuy/docker,Mokolea/docker,nalind/docker,konstruktoid/docker-upstream,trebonian/docker,djs55/docker,nawawi/docker,konstruktoid/docker-upstream,yosifkit/docker,gnailuy/docker,paralin/docker,gnailuy/docker,paralin/docker,bearstech/moby,yosifkit/docker,thaJeztah/docker,jameszhan/docker,thaJeztah/docker,bearstech/moby,trebonian/docker,djs55/docker,thaJeztah/docker,konstruktoid/docker-upstream,trebonian/docker,jthelin/docker,Ramzec/docker,Mokolea/docker,nawawi/docker,moby/moby,djs55/docker,cpuguy83/docker,Ramzec/docker,gnailuy/docker,jimjag/docker,AkihiroSuda/docker,moby/moby