VM Console flicker

#1

Hi
Having flicker issue with VM consoles

ManageIQ Version / Build : gaprindashvili-5 (hosted on Ovirt Version 4.2.6.4-1.el7 )
Internally VMs Hosted on : Ovirt Version 4.2.6.4-1.el7
Browser : Firefox Quantum 62.0.3 (64-bit)

Please help

#2

Did anyone ever find the cause / solution to this problem? We are still seeing it in Ovirt 4.3.