https://www.juniper.net/documentation/en_US/vrr/topics/task/installation/vrr-kvm-installing.html
cp junos-x86-64-17.3R1.10.qcow2 /var/lib/libvirtd/images/vrr-VM01.img
brctl addbr vrr-mgmtbrctl addbr vrr-ext
ip link set dev vrr-mgmt upip link set dev vrr-ext up[root@hp8300 images]# brctl showbridge name bridge id STP enabled interfaces
. . . .vrr-ext 8000.000000000000 novrr-mgmt 8000.000000000000 no