network ip netns grep dhcp qdhcp-08173eaa-6fff- 450c-be09-6f60e66b2a 7

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network: ~$ ip netns | grep dhcp
qdhcp-08173eaa-6fff-450c-be09-6f60e66b2a73
qdhcp-8b1f65db-30d9-4852-b0ea-624506551dc3
network:~$ sudo ip netns exec qdhcp-8b1f65db-30d9-4852-b0ea-624506551dc3 netstat -pan
...
udp 0 0 0.0.0.0:67 0.0.0.0:* 6077/dnsmasq
network:~$ cat /var/lib/neutron/dhcp/8b1f65db-30d9-4852-b0ea-624506551dc3/host
fa:16:3e:3f:b8:b2,host-10-5-5-1.openstacklocal,10.5.5.1
fa:16:3e:f5:18:41,host-10-5-5-3.openstacklocal,10.5.5.3
fa:16:3e:b1:93:c1,host-10-5-5-4.openstacklocal,10.5.5.4