Missing port.Can't Detect Device

Lately my system has been unable to detect my EVL4 devices. It’s showing “Missing port.Can’t Detect Device” on the Vera dashboard for the panel. If I reboot Vera it works for a while then stops. Has anybody else seen this?

I believe this is the relevant section of the log

08 05/14/18 22:26:16.487 Scene::RunScene running 7 Good Night <0x6ff45520> 01 05/14/18 22:26:16.487 sbrk JobHandler_LuaUPnP::HandleActionRequest Problem with getnameinfo <0x6ff45520> 08 05/14/18 22:26:16.488 JobHandler_LuaUPnP::HandleActionRequest device: 51 service: urn:joeyd-com:serviceId:SayTheWeather1 action: SayTheWeather <0x6ff45520> 08 05/14/18 22:26:16.488 JobHandler_LuaUPnP::HandleActionRequest argument IncludeLocation=false <0x6ff45520> 08 05/14/18 22:26:16.488 JobHandler_LuaUPnP::HandleActionRequest argument IncludeForecasts=1 <0x6ff45520> 08 05/14/18 22:26:16.488 JobHandler_LuaUPnP::HandleActionRequest argument IncludeAlerts=NEW <0x6ff45520> 08 05/14/18 22:26:16.488 JobHandler_LuaUPnP::HandleActionRequest argument IncludeCurrentConditions=false <0x6ff45520> 08 05/14/18 22:26:16.488 JobHandler_LuaUPnP::HandleActionRequest argument PrefixStatement= <0x6ff45520> 08 05/14/18 22:26:16.489 JobHandler_LuaUPnP::HandleActionRequest argument RenderTargetID=53 <0x6ff45520> 08 05/14/18 22:26:16.489 JobHandler_LuaUPnP::HandleActionRequest argument SuffixStatement= <0x6ff45520> 01 05/14/18 22:26:16.490 sbrk JobHandler_LuaUPnP::HandleActionRequest Problem with getnameinfo <0x6ff45520> 08 05/14/18 22:26:16.490 JobHandler_LuaUPnP::HandleActionRequest device: 0 service: urn:micasaverde-com:serviceId:HomeAutomationGateway1 action: RunScene <0x6ff45520> 08 05/14/18 22:26:16.491 JobHandler_LuaUPnP::HandleActionRequest argument SceneNum=41 <0x6ff45520> 08 05/14/18 22:26:16.491 Scene::RunScene running 41 Check side gate status <0x6ff45520> 01 05/14/18 22:26:16.493 sbrk JobHandler_LuaUPnP::HandleActionRequest Problem with getnameinfo <0x6ff45520> 08 05/14/18 22:26:16.493 JobHandler_LuaUPnP::HandleActionRequest device: 21 service: urn:micasaverde-com:serviceId:EVL3VistaAlarmPanel1 action: RequestKeyPress <0x6ff45520> 08 05/14/18 22:26:16.494 JobHandler_LuaUPnP::HandleActionRequest argument KeyPress= <0x6ff45520> 01 05/14/18 22:26:16.515 luup_io_write NULL port 0x1141cc8 size 0 <0x6ff45520> 06 05/14/18 22:26:16.515 Device_Variable::m_szValue_set device: 20 service: urn:micasaverde-com:serviceId:HaDevice1 variable: CommFailure was: 0 now: 1 #hooks: 0 upnp: 0 skip: 0 v:0xc8fb30/NONE duplicate:0 <0x6ff45520> 06 05/14/18 22:26:16.516 Device_Variable::m_szValue_set device: 20 service: urn:micasaverde-com:serviceId:HaDevice1 variable: CommFailureTime was: 0 now: 1526351176 #hooks: 0 upnp: 0 skip: 0 v:(nil)/NONE duplicate:0 <0x6ff45520> 01 05/14/18 22:26:16.538 sbrk JobHandler_LuaUPnP::HandleActionRequest Problem with getnameinfo <0x6ff45520> 08 05/14/18 22:26:16.539 JobHandler_LuaUPnP::HandleActionRequest device: 21 service: urn:micasaverde-com:serviceId:AlarmPartition2 action: RequestArmMode <0x6ff45520> 08 05/14/18 22:26:16.539 JobHandler_LuaUPnP::HandleActionRequest argument PINCode=_undefined_ <0x6ff45520> 08 05/14/18 22:26:16.539 JobHandler_LuaUPnP::HandleActionRequest argument State=Night <0x6ff45520> 02 05/14/18 22:26:16.540 Device_LuaUPnP::HandleActionRequest 21 comm failure <0x6ff45520> 02 05/14/18 22:26:16.540 JobHandler_LuaUPnP::RunAction device 21 action urn:micasaverde-com:serviceId:AlarmPartition2/RequestArmMode failed with -911/Device communication failure <0x6ff45520> 01 05/14/18 22:26:16.540 sbrk JobHandler_LuaUPnP::HandleActionRequest Problem with getnameinfo <0x6ff45520>