@retval MessageNetworkBoot If given device path contains MESSAGING_DEVICE_PATH type device path node\r
and its last device path node's subtype is MSG_MAC_ADDR_DP, MSG_VLAN_DP,\r
MSG_IPv4_DP or MSG_IPv6_DP.\r
@retval MessageNetworkBoot If given device path contains MESSAGING_DEVICE_PATH type device path node\r
and its last device path node's subtype is MSG_MAC_ADDR_DP, MSG_VLAN_DP,\r
MSG_IPv4_DP or MSG_IPv6_DP.\r