The dhcp agent get this change. And the file /var/lib/neutron/dhcp/uuid/host changes as we expect.
When vm send dhcp discovery, the dhcp offer the right new ip to the vm. But the vm not change its ip correctly.
Besides, the bug described tested 3 times, and MAC not wrote to arp cache happened two times.
The dhcp agent get this change. And the file /var/lib/ neutron/ dhcp/uuid/ host changes as we expect.
When vm send dhcp discovery, the dhcp offer the right new ip to the vm. But the vm not change its ip correctly.
Besides, the bug described tested 3 times, and MAC not wrote to arp cache happened two times.