def _set_packet_timestamp(self, v, load=False):
    """
    Setter method for packet_timestamp, mapped from YANG variable /interface/port_channel/system/packet_timestamp (container)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_packet_timestamp is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_packet_timestamp() directly.

    YANG Description: Packet timestamp setting
    """
    if hasattr(v, "_utype"):
      v = v._utype(v)
    try:
      t = YANGDynClass(v,base=packet_timestamp.packet_timestamp, is_container='container', presence=False, yang_name="packet-timestamp", rest_name="packet-timestamp", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'Packet timestamp setting', u'callpoint': u'PacketTimestampPoIntf'}}, namespace='urn:brocade.com:mgmt:brocade-packet-timestamp', defining_module='brocade-packet-timestamp', yang_type='container', is_config=True)
    except (TypeError, ValueError):
      raise ValueError({
          'error-string': """packet_timestamp must be of a type compatible with container""",
          'defined-type': "container",
          'generated-type': """YANGDynClass(base=packet_timestamp.packet_timestamp, is_container='container', presence=False, yang_name="packet-timestamp", rest_name="packet-timestamp", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'Packet timestamp setting', u'callpoint': u'PacketTimestampPoIntf'}}, namespace='urn:brocade.com:mgmt:brocade-packet-timestamp', defining_module='brocade-packet-timestamp', yang_type='container', is_config=True)""",
        })

    self.__packet_timestamp = t
    if hasattr(self, '_set'):
      self._set()
Setter method for packet_timestamp, mapped from YANG variable /interface/port_channel/system/packet_timestamp (container)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_packet_timestamp is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_packet_timestamp() directly.

    YANG Description: Packet timestamp setting