<chanDetectResult>: why the camera is in the state it is in.
connect when online. Otherwise one of connecting, overSysBandwidth,
domainError, ipcStreamFail, chanNoError, ipAddrConflictWithDev,
ipAddrConflicWithIpc, errorUserNameOrPasswd, netUnreachable,
unknownError, notExist, ipcStreamTypeNotSupport,
ipcResolutionNotSupport, userLocked, userNotExist,
ipcUnregistered, ipcNotActivated or poePortDetecting. Newer
firmware adds ipcResolutionOverflow, ipcBitrateOverflow,
unopenedHighResolutionMode, accessFroDeviceParamFailure and
certificateValidationError.