VMs connected to a bridge are disconnected after changing the bridge settings

Solution Verified - Updated -

Issue

  • In a RHEL hypervisor we have modified some settings in a network bridge with NetworkManager, then we have applied the settings with nmcli connection up <BRIDGE>.
  • All VMs connected to the bridge are disconnected.

Environment

  • Red Hat Enterprise Linux (RHEL) 8.x, 9.x
  • Network bridge
  • KVM Virtual Machines

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