Are you using E1000 on the VMs or on the Host ? If it's the second , you should change the hardware . I have never used e1000 for VMs as it is an old tech. Better to install the virtio drivers and then use the virtio type of NIC. Best Regards, Strahil Nikolov В четвъртък, 31 декември 2020 г., 04:06:50 Гринуич+2, Joey Ma <majunjiev@gmail.com> написа: Hi folks, Happy holidays. I'm having an urgent problem :smile: . I've installed oVirt 4.4.2 on CentOS 8.2 and then created several Windows 7 vms for stress testing. I found that the heavy network load would lead to the e1000 net card NOT able to receive packets, it seemed totally blocked. In the meantime, packet sending was fine. Only re-enabling the net card can restore the network. Has anyone also had this problem? Looking forward to your insights. Much appreciated. Best regards, Joey _______________________________________________ Users mailing list -- users@ovirt.org To unsubscribe send an email to users-leave@ovirt.org Privacy Statement: https://www.ovirt.org/privacy-policy.html oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/FALLTVEFQ2FDWJ...