| errors | Package errors implements functions to manipulate errors. |
| github.com/docker/docker/libnetwork/driverapi | |
| github.com/docker/docker/libnetwork/ipamapi | Package ipamapi specifies the contract the IPAM service (built-in or remote) needs to satisfy. |
| github.com/docker/docker/libnetwork/types | Package types contains types that are common across libnetwork project |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |