def send_vdp_vnic_down(self, port_uuid=None, vsiid=None, mgrid=None,<EOL>typeid=None, typeid_ver=None,<EOL>vsiid_frmt=vdp_const.VDP_VSIFRMT_UUID,<EOL>filter_frmt=vdp_const.VDP_FILTER_GIDMACVID,<EOL>gid=<NUM_LIT:0>, mac="<STR_LIT>", vlan=<NUM_LIT:0>, oui="<STR_LIT>"):
<EOL>try:<EOL><INDENT>with self.mutex_lock:<EOL><INDENT>self.send_vdp_deassoc(vsiid=vsiid, mgrid=mgrid, typeid=typeid,<EOL>typeid_ver=typeid_ver,<EOL>vsiid_frmt=vsiid_frmt,<EOL>filter_frmt=filter_frmt, gid=gid,<EOL>mac=mac, vlan=vlan)<EOL>self.clear_vdp_vsi(port_uuid)<EOL><DEDENT><DEDENT>except Exception as e:<EOL><INDENT>LOG.error("<STR_LIT>", e)<EOL><DEDENT>
Interface function to apps, called for a vNIC DOWN.

        This currently sends an VDP dis-associate message.
        Please refer http://www.ieee802.org/1/pages/802.1bg.html VDP
        Section for more detailed information
        :param uuid: uuid of the vNIC
        :param vsiid: VSI value, Only UUID supported for now
        :param mgrid: MGR ID
        :param typeid: Type ID
        :param typeid_ver: Version of the Type ID
        :param vsiid_frmt: Format of the following VSI argument
        :param filter_frmt: Filter Format. Only <GID,MAC,VID> supported for now
        :param gid: Group ID the vNIC belongs to
        :param mac: MAC Address of the vNIC
        :param vlan: VLAN of the vNIC
        :param oui_id: OUI Type
        :param oui_data: OUI Data
        :param sw_resp: Flag indicating if response is required from the daemon