Imports of package builtin

PathSynopsis
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/docker/libnetwork/datastore
github.com/docker/libnetwork/ipam
github.com/docker/libnetwork/ipamapiPackage ipamapi specifies the contract the IPAM service (built-in or remote) needs to satisfy.