Description of problem:
From CFME, a RHV-3.6/RHV-4.0 VM console is initiated - a new window is opened in the browser, but it ends up with [object event] (marked in red).
On RHV side, events show console session was initiated, but no event on console connected, as it should.

Version-Release number of selected component (if applicable):
CFME-5.7.0.7
RHV-4.0.4
RHV-3.6.9

How reproducible:
Tried it on 2 cfme appliances of CFME-5.7.0.7

Additional info:
For CFME-5.6.2.2 VM console for same RHV-3.6 VM connects fine.