Basic info of a bridge gets updated very quickly. Even if there are
many ports attached to the bridge.

Signed-off-by: Min Chen <minchnew@gmail.com>
Assign a default system-id to LACP aggregation.

Signed-off-by: Min Chen <minchnew@gmail.com>
Get full year dynamically.

Signed-off-by: Min Chen <minchnew@gmail.com>