Virtual machines running on KVM virtualization sometimes lost network connectivity due to network offload features

Solution Unverified - Updated -

Issue

  • Virtual machines running on KVM virtualization sometimes lost network connectivity due to network offload features
  • What is the recommended practice about offload features in Red Hat Enterprise Virtualization 3.x?

Environment

  • Red Hat Enterprise Virtualization(hereafter RHEV) 3.x with Red Hat Enterprise Linux 6.x or 7.x as its hypervisors
  • Complex and layered network topology : Physical interface, Bonding interface, VLAN interface, and Bridge interface.
eth1 ---+
        +--- bond0 --- bond0.100 --- br0 --- KVM virtual machines
eth2 ---+

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