o pvc failed Generated when an allocated PVC fails during the data phase. Arguments: cause Cause code provided by some DCEs on some failures. diagnostic Diagnostic code provided by some DCEs on some failures. failure Why the PVC failed. reason DTE The local DTE was disabled by network disabled management. level 2 A failure occurred at the Frame level failure link or below. PVC The x25 protocol dte pvc entity has been deleted deleted by network management. restart Restart initiated by network or remote DTE, or sent by this DTE.