using openstack dalmatian even after following the exact steps provided in the official install guide and neutron install guide or a selfservice network i have a bridged ens38 interface with no ip assigned to it i create the br-provider and linked it to the interface create two networks selfservice and privoder and their related subnet and a router i still can ping the defailt gateaway of the provider network from my controller cli and even using the router namespace this is the output root@Controller-PiCloud:/home/zormatihend# sudo ip netns exec qrouter-127d580b-954a-44a2-a10b-d9268babfba2 arp -a ? (203.0.113.1) at b8:d4:bc:28:1e:03 [ether] on qg-f6d40002-d7 root@Controller-PiCloud:/home/zormatihend# sudo ip netns exec qrouter-127d580b-954a-44a2-a10b-d9268babfba2 netstat -rn Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface 0.0.0.0 203.0.113.1 0.0.0.0 UG 0 0 0 qg-f6d40002-d7 172.16.1.0 0.0.0.0 255.255.255.0 U 0 0 0 qr-abece065-bf 203.0.113.0 0.0.0.0 255.255.255.0 U 0 0 0 qg-f6d40002-d7 root@Controller-PiCloud:/home/zormatihend# sudo ip netns exec qrouter-127d580b-954a-44a2-a10b-d9268babfba2 arp -a ? (203.0.113.1) at b8:d4:bc:28:1e:03 [ether] on qg-f6d40002-d7 root@Controller-PiCloud:/home/zormatihend# sudo ip netns exec qrouter-127d580b-954a-44a2-a10b-d9268babfba2 ping -c 1 203.0.113.1 PING 203.0.113.1 (203.0.113.1) 56(84) bytes of data.

--- 203.0.113.1 ping statistics --- 1 packets transmitted, 0 received, 100% packet loss, time 0ms