Result: Failed migration with the error: “admission webhook "mutatevirtualmachines.kubemacpool.io"denied the request: Failed to create virtual machine allocation error: Failed to allocate mac to the vm object: failed to allocate requested mac address”

export OS_CLOUD=standalone
export GATEWAY=172.22.0.1
export PUBLIC_NETWORK_CIDR=172.22.0.0/24
export PRIVATE_NETWORK_CIDR=192.168.100.0/24
export PUBLIC_NET_START=172.22.0.200
export PUBLIC_NET_END=172.22.0.210
export DNS_SERVER=1.1.1.1
openstack flavor create --ram 512 --disk 1 --vcpu 1 --public tiny
wget https://download.cirros-cloud.net/0.4.0/cirros-0.4.0-x86_64-disk.img
openstack image create cirros --container-format bare --disk-format qcow2 --public --file cirros-0.4.0-x86_64-disk.img
ssh-keygen -m PEM -t rsa -b 2048 -f ~/.ssh/id_rsa_pem
openstack keypair create --public-key ~/.ssh/id_rsa_pem.pub default
openstack security group create basic
openstack security group rule create basic --protocol tcp --dst-port 22:22 --remote-ip 0.0.0.0/0
openstack security group rule create --protocol icmp basic
openstack security group rule create --protocol udp --dst-port 53:53 basic
openstack network create --external --provider-physical-network datacentre --provider-network-type flat public
openstack network create --internal private
openstack subnet create public-net \
--subnet-range $PUBLIC_NETWORK_CIDR \
--no-dhcp \
--gateway $GATEWAY \
--allocation-pool start=$PUBLIC_NET_START,end=$PUBLIC_NET_END \
--network public
openstack subnet create private-net \
--subnet-range $PRIVATE_NETWORK_CIDR \
--network private
openstack router create vrouter
openstack router set vrouter --external-gateway public
openstack router add subnet vrouter private-net
 openstack server create \
    --flavor tiny --key-name default --network private --security-group basic \
    --image cirros --boot-from-volume 2 \
    --wait test-server 
openstack floating ip create public
openstack server add floating ip test-server <FLOATING_IP>