A value indicating that the enum field is not set.
BUNDLE_OPERATIONAL_STATUS_DOWN
If bundleAggregationType is LACP: LACP is not established and/or all links in the bundle have DOWN operational status. If bundleAggregationType is STATIC: one or more links in the bundle has DOWN operational status.
BUNDLE_OPERATIONAL_STATUS_UP
If bundleAggregationType is LACP: LACP is established and at least one link in the bundle has UP operational status. If bundleAggregationType is STATIC: all links in the bundle (typically just one) have UP operational status.