netiucv.04ce63 <bus ID of the IUCV device>: The IUCV device failed to connect to the peer on z/VM guest <z/VM user ID>
Explanation
The connection cannot be established because the z/VM guest virtual machine
with the peer interface is not configured for IUCV connections.
User response
Configure the z/VM guest virtual machine with the peer interface for IUCV
connections; then try again to establish the connection.