After VM migration ,in older dpn following stale entries are observed . root@compute-0-1:_{# flows | grep 0xb50000000000 cookie=0x8040000, duration=57837.862s, table=17, n_packets=0, n_bytes=0, priority=10,metadata=0xb50000000000/0xffffff0000000000 actions=write_metadata:0xb5139d000000/0xfffffffffffffffe,goto_table:43 cookie=0x6900000, duration=57837.745s, table=211, n_packets=0, n_bytes=0, priority=63010,udp6,metadata=0xb50000000000/0x1fffff0000000000,tp_src=546,tp_dst=547 actions=resubmit(,17) cookie=0x6900000, duration=57837.724s, table=211, n_packets=3, n_bytes=234, priority=63010,icmp6,metadata=0xb50000000000/0x1fffff0000000000,icmp_type=135,icmp_code=0 actions=resubmit(,17) cookie=0x6900000, duration=57837.682s, table=211, n_packets=9, n_bytes=630, priority=63010,icmp6,metadata=0xb50000000000/0x1fffff0000000000,icmp_type=133,icmp_code=0 actions=resubmit(,17) cookie=0x6900000, duration=57837.682s, table=211, n_packets=0, n_bytes=0, priority=63010,icmp6,metadata=0xb50000000000/0x1fffff0000000000,icmp_type=136,icmp_code=0 actions=resubmit(,17) root@compute-0-1:}#