- This brings the remote ipam driver in pair with the local one.
As of now remote driver package is assuming a valid address in CIDR
form is always present in a nil error AddressRequestResponse,
which is no longer true as community has requested to remove this
limitation.
- We are ok to remove it until we can provide a null ipam driver
option in future releases.
Signed-off-by: Alessandro Boch <aboch@docker.com>