'is vni to bridge-domain-id change'

def is_vni_bd_change(self, vni_id, bd_id):

    if (not self.vni2bd_info):
        return True
    for vni2bd in self.vni2bd_info['vni2BdInfos']:
        if ((vni2bd['vniId'] == vni_id) and (vni2bd['bdId'] == bd_id)):
            return False
    return True
