Imports github.com/docker/swarmkit/api github.com/docker/swarmkit/cmd/swarmctl/network github.com/docker/swarmkit/protobuf/ptypes github.com/pkg/errors github.com/spf13/cobra github.com/spf13/pflag github.com/docker/go-units github.com/docker/swarmkit/cmd/swarmctl/common Standard library imports errors fmt math/big os path strconv strings time