SAIC-548 Duplicate admin subnets
SAIC-548 Duplicate admin subnets

When admin tenant is specified in filter.yaml config neutron object
migration failed with 400 "Duplicate subnet error". This patch resolves
the issue.

japaniel/CloudFerry,archyufa/CloudFerry,SVilgelm/CloudFerry,SVilgelm/CloudFerry,MirantisWorkloadMobility/CloudFerry,archyufa/CloudFerry,SVilgelm/CloudFerry,mgrygoriev/CloudFerry,MirantisWorkloadMobility/CloudFerry,japaniel/CloudFerry,mgrygoriev/CloudFerry,mgrygoriev/CloudFerry,japaniel/CloudFerry,archyufa/CloudFerry,SVilgelm/CloudFerry,japaniel/CloudFerry,MirantisWorkloadMobility/CloudFerry,mgrygoriev/CloudFerry,MirantisWorkloadMobility/CloudFerry,archyufa/CloudFerry