jms345 commented on issue #13521:
URL: https://github.com/apache/cloudstack/issues/13521#issuecomment-4855134243
two vms on the same hypervisor - IP/mac address -
```
[root@pvm3 ~]# ip a
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state
UP qlen 1000
link/ether 1e:01:41:00:00:c3 brd ff:ff:ff:ff:ff:ff
inet 172.30.12.71/26 brd 172.30.12.127 scope global eth0
valid_lft forever preferred_lft forever
inet6 fe80::bf37:b29b:5541:d7db/64 scope link
valid_lft forever preferred_lft forever
[root@pvm4 ~]# ip a
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state
UP qlen 1000
link/ether 1e:01:4d:00:00:c4 brd ff:ff:ff:ff:ff:ff
inet 172.30.12.72/26 brd 172.30.12.127 scope global eth0
valid_lft forever preferred_lft forever
inet6 fe80::3e1e:710b:506c:7f44/64 scope link
valid_lft forever preferred_lft forever
inet6 fe80::bf37:b29b:5541:d7db/64 scope link tentative dadfailed
valid_lft forever preferred_lft forever
```
output of "ovs-ofctl dump-flows cloudbr1" -
```
root@hv2:~# ovs-ofctl dump-flows cloudbr1
cookie=0x0, duration=2271.829s, table=0, n_packets=87, n_bytes=5568,
priority=200,arp,dl_vlan=301,arp_tpa=172.30.12.70
actions=strip_vlan,resubmit(,1)
cookie=0x0, duration=2271.818s, table=0, n_packets=26, n_bytes=8996,
priority=100,udp,dl_vlan=301,nw_dst=255.255.255.255,tp_dst=67
actions=strip_vlan,resubmit(,1)
cookie=0x0, duration=2271.763s, table=0, n_packets=556, n_bytes=54338,
priority=70,dl_vlan=301,dl_dst=1e:01:26:00:00:c2 actions=strip_vlan,resubmit(,1)
cookie=0x0, duration=2201.942s, table=0, n_packets=211, n_bytes=20666,
priority=70,dl_vlan=301,dl_dst=1e:01:41:00:00:c3 actions=strip_vlan,resubmit(,1)
cookie=0x0, duration=2114.210s, table=0, n_packets=165, n_bytes=16144,
priority=70,dl_vlan=301,dl_dst=1e:01:4d:00:00:c4 actions=strip_vlan,resubmit(,1)
cookie=0x0, duration=1485.735s, table=0, n_packets=3, n_bytes=192,
priority=70,dl_vlan=301,dl_dst=ff:ff:ff:ff:ff:ff actions=strip_vlan,group:301
cookie=0x0, duration=349.734s, table=0, n_packets=3175, n_bytes=228154,
priority=0 actions=NORMAL
cookie=0x0, duration=2271.825s, table=1, n_packets=0, n_bytes=0,
priority=200,arp,dl_vlan=302,arp_tpa=172.30.12.70
actions=strip_vlan,output:vnet0
cookie=0x0, duration=2271.814s, table=1, n_packets=0, n_bytes=0,
priority=100,udp,dl_vlan=302,nw_dst=255.255.255.255,tp_dst=67
actions=strip_vlan,output:vnet0
cookie=0x0, duration=2271.757s, table=1, n_packets=618, n_bytes=58306,
priority=70,vlan_tci=0x0000,dl_dst=1e:01:26:00:00:c2 actions=output:vnet0
cookie=0x0, duration=2201.935s, table=1, n_packets=211, n_bytes=20666,
priority=70,vlan_tci=0x0000,dl_dst=1e:01:41:00:00:c3 actions=output:vnet6
cookie=0x0, duration=2114.203s, table=1, n_packets=165, n_bytes=16144,
priority=70,vlan_tci=0x0000,dl_dst=1e:01:4d:00:00:c4 actions=output:vnet7
cookie=0x0, duration=1485.950s, table=1, n_packets=96, n_bytes=8500,
priority=70,vlan_tci=0x0000,dl_dst=1e:01:9d:00:00:c5 actions=output:9
cookie=0x0, duration=2271.750s, table=1, n_packets=0, n_bytes=0,
priority=70,udp,dl_vlan=302,dl_dst=1e:01:26:00:00:c2,tp_src=67
actions=strip_vlan,output:vnet0
cookie=0x0, duration=2201.928s, table=1, n_packets=0, n_bytes=0,
priority=70,udp,dl_vlan=302,dl_dst=1e:01:41:00:00:c3,tp_src=67
actions=strip_vlan,output:vnet6
cookie=0x0, duration=2114.196s, table=1, n_packets=0, n_bytes=0,
priority=70,udp,dl_vlan=302,dl_dst=1e:01:4d:00:00:c4,tp_src=67
actions=strip_vlan,output:vnet7
cookie=0x0, duration=1485.722s, table=1, n_packets=0, n_bytes=0,
priority=70,udp,dl_vlan=302,dl_dst=ff:ff:ff:ff:ff:ff,tp_src=67
actions=strip_vlan,group:302
cookie=0x0, duration=1485.729s, table=1, n_packets=0, n_bytes=0,
priority=70,dl_vlan=301,dl_dst=ff:ff:ff:ff:ff:ff actions=strip_vlan,group:4397
cookie=0x0, duration=1485.936s, table=1, n_packets=13, n_bytes=1396,
priority=0 actions=drop
```
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