neutron l2-gateway-create --device name=PI6-SW001,interface_names="PI6-SW4-31;PI6-SW4-32;PI6-SW3-31;PI6-SW3-32;vlag-b74dc847-c0ca-4659-8b91-4eb60588ff51;vlag-6ef35938-6e61-499e-abd2-c5894f4d3f2c" L2GW_Instance_PI6_vPOD1
neutron l2-gateway-connection-create L2GW_Instance_PI6_vPOD1 NET-Mult-Test-46 --segmentation_id 546

Steps to reproduce:
->Configure as mentioned above and verify traffic
->Nova delete TC_VM-46-1 .
Removes all table 51 entries in compute-0-5. Expected and no stale entries
->Delete l2-gateway-connection .
Removes corresponding table 51 entries for TOR on compute-0-4 -expected
->configure l2-gateway-connection again.
table 51 flow entries are programmed on compute-0-4 which has VM ion elan -expected,
table 51 flow entries are programmed on compute-0-5 which has no VM ion elan ->Not correct. This is the issue

Stale entries on compute-0-5:
============================
cookie=0x8031389, duration=1641.764s, table=51, n_packets=0, n_bytes=0, priority=20,metadata=0x1389000000/0xffff000001,dl_dst=00:00:5e:00:01:f6 actions=set_field:0x2e->tun_id,output:33
cookie=0x8031389, duration=1641.764s, table=51, n_packets=0, n_bytes=0, priority=20,metadata=0x1389000000/0xffff000001,dl_dst=2a:65:fe:77:fe:d3 actions=set_field:0x2e->tun_id,output:33
cookie=0x8031389, duration=1641.764s, table=51, n_packets=0, n_bytes=0, priority=20,metadata=0x1389000001/0xffff000001,dl_dst=fa:16:3e:5b:a7:44 actions=drop
cookie=0x8031389, duration=1641.764s, table=51, n_packets=0, n_bytes=0, priority=20,metadata=0x1389000001/0xffff000001,dl_dst=00:00:5e:00:01:f6 actions=drop
cookie=0x8031389, duration=1641.763s, table=51, n_packets=0, n_bytes=0, priority=20,metadata=0x1389000001/0xffff000001,dl_dst=fa:16:3e:55:7a:0e actions=drop
cookie=0x8031389, duration=1641.763s, table=51, n_packets=0, n_bytes=0, priority=20,metadata=0x1389000000/0xffff000001,dl_dst=fa:16:3e:5b:a7:44 actions=set_field:0x2e->tun_id,output:33
cookie=0x8031389, duration=1641.763s, table=51, n_packets=0, n_bytes=0, priority=20,metadata=0x1389000000/0xffff000001,dl_dst=fa:16:3e:55:7a:0e actions=set_field:0x2e->tun_id,output:33
cookie=0x8031389, duration=1641.763s, table=51, n_packets=0, n_bytes=0, priority=20,metadata=0x1389000001/0xffff000001,dl_dst=2a:65:fe:77:fe:d3 actions=drop