Error 0x80338095

Value: -2144108395 | 0x80338095 | 2150858901

What does it mean ?

ERROR_WSMAN_EVENTING_LOOPBACK_TESTFAILED  
The connectivity test from the push subscription source to the client failed. This can happen if the client machine initiating the push subscription is unreachable from the server machine where the event source is located. Possible reasons include firewall or some other network boundary. Modify subscription to use Pull based subscription.
Value: 32917 | 0x8095 | 0b1000000010010101

Where does it come from ?

FACILITY_WINRM  
Windows Resource Manager
Value: 51 | 0x033 | 0b00110011

StackOverflow

Other Errors for FACILITY_WINRM