openstack 通过浮动ip确定虚机信息

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# ovs-dpctl dump-flows |grep 12.35.27.26
skb_priority(0),tunnel(tun_id=0x848d8d/0xffffffffffffffff,src=10.32.0.13/255.255.255.255,dst=10.32.65.180/255.255.255.255,tos=0/0xff,ttl=254/0xff,flags(key)),in_port(7),skb_mark(0),eth(src=a4:7b:2c:57:29:3f,dst=00:00:0a:20:41:b4),eth_type(0x0800),ipv4(src=23.225.16.94,dst=12.35.27.26,proto=6,tos=0,ttl=111,frag=no),tcp(src=59273,dst=39108),tcp_flags(0x014/0x400), packets:0, bytes:0, used:never, actions:set(eth(src=68:54:ed:00:00:01,dst=fa:16:3e:61:f0:1b)),set(ipv4(src=23.225.146.94,dst=192.68.0.39,proto=6,tos=0,ttl=110,frag=no)),set(skb_mark(0x7f200)),14
skb_priority(0),in_port(14),eth(src=fa:16:3e:61:f0:1b,dst=68:54:ed:00:00:01),eth_type(0x0800),ipv4(src=192.68.0.39,dst=28.25.192.49,proto=6,tos=0x8,ttl=64,frag=no),tcp(src=13306,dst=52302),tcp_flags(0x000/0x007), packets:9, bytes:1313, used:3.369s, flags:P., actions:set(eth(src=02:9d:73:05:43:00,dst=a4:7b:2c:57:29:3f)),set(ipv4(src=12.35.27.26,dst=28.25.192.49,proto=6,tos=0x8,ttl=63,frag=no)),1
* r& }' T! x! o: Z- R3 K$ Qskb_priority(0),in_port(14),eth(src=fa:16:3e:61:f0:1b,dst=68:54:ed:00:00:01),eth_type(0x0800),ipv4(src=192.168.0.39,dst=28.25.192.49,proto=6,tos=0x8,ttl=64,frag=no),tcp(src=13306,dst=52306),tcp_flags(0x000/0x007), packets:3, bytes:580, used:3.891s, flags:P., actions:set(eth(src=02:9d:73:05:43:00,dst=a4:7b:2c:57:29:3f)),set(ipv4(src=12.35.27.26,dst=28.25.192.49,proto=6,tos=0x8,ttl=63,frag=no)),1
* a4 I6 {0 ~5 Bskb_priority(0),tunnel(tun_id=0x848d8d/0xffffffffffffffff,src=10.32.0.13/255.255.255.255,dst=10.32.65.180/255.255.255.255,tos=0/0xff,ttl=254/0xff,flags(key)),in_port(7),skb_mark(0),eth(src=a4:7b:2c:57:29:3f,dst=00:00:0a:20:41:b4),eth_type(0x0800),ipv4(src=28.25.192.49,dst=12.35.27.26,proto=6,tos=0,ttl=112,frag=no),tcp(src=52305,dst=13306),tcp_flags(0x000/0x007), packets:129, bytes:19444, used:2.019s, flags:P., actions:set(eth(src=68:54:ed:00:00:01,dst=fa:16:3e:61:f0:1b)),set(ipv4(src=28.25.192.49,dst=192.68.0.39,proto=6,tos=0,ttl=111,frag=no)),set(skb_mark(0x7f200)),14
skb_priority(0),in_port(14),eth(src=fa:16:3e:61:f0:1b,dst=68:54:ed:00:00:01),eth_type(0x0800),ipv4(src=192.68.0.39,dst=28.25.192.49,proto=6,tos=0x8,ttl=64,frag=no),tcp(src=13306,dst=52303),tcp_flags(0x000/0x007), packets:28, bytes:5466, used:4.086s, flags:P., actions:set(eth(src=02:9d:73:05:43:00,dst=a4:7b:2c:57:29:3f)),set(ipv4(src=12.35.27.26,dst=28.25.192.49,proto=6,tos=0x8,ttl=63,frag=no)),1
skb_priority(0),tunnel(tun_id=0x848d8d/0xffffffffffffffff,src=10.32.0.14/255.255.255.255,dst=10.32.65.180/255.255.255.255,tos=0/0xff,ttl=254/0xff,flags(key)),in_port(7),skb_mark(0),eth(src=a4:7b:2c:56:e9:3f,dst=00:00:0a:20:41:b4),eth_type(0x0800),ipv4(src=28.25.192.49,dst=12.35.27.26,proto=6,tos=0,ttl=113,frag=no),tcp(src=52307,dst=13306),tcp_flags(0x000/0x007), packets:12, bytes:2776, used:1.568s, flags:P., actions:set(eth(src=68:54:ed:00:00:01,dst=fa:16:3e:61:f0:1b)),set(ipv4(src=28.25.192.49,dst=192.68.0.39,proto=6,tos=0,ttl=112,frag=no)),set(skb_mark(0x7f200)),14
skb_priority(0),tunnel(tun_id=0x848d8d/0xffffffffffffffff,src=10.32.0.14/255.255.255.255,dst=10.32.65.180/255.255.255.255,tos=0/0xff,ttl=254/0xff,flags(key)),in_port(7),skb_mark(0),eth(src=a4:7b:2c:56:e9:3f,dst=00:00:0a:20:41:b4),eth_type(0x0800),ipv4(src=23.225.46.94,dst=12.35.27.26,proto=6,tos=0,ttl=112,frag=no),tcp(src=59273,dst=39106),tcp_flags(0x014/0x400), packets:0, bytes:0, used:never, actions:set(eth(src=68:54:ed:00:00:01,dst=fa:16:3e:61:f0:1b)),set(ipv4(src=23.225.46.94,dst=192.68.0.39,proto=6,tos=0,ttl=111,frag=no)),set(skb_mark(0x7f200)),14
  z5 q) j/ y( N  O+ q' ~# i2 z% v% Gskb_priority(0),tunnel(tun_id=0x848d8d/0xffffffffffffffff,src=10.32.0.14/255.255.255.255,dst=10.32.65.180/255.255.255.255,tos=0/0xff,ttl=254/0xff,flags(key)),in_port(7),skb_mark(0),eth(src=a4:7b:2c:56:e9:3f,dst=00:00:0a:20:41:b4),eth_type(0x0800),ipv4(src=218.205.192.49,dst=12.35.27.26,proto=6,tos=0,ttl=112,frag=no),tcp(src=52303,dst=13306),tcp_flags(0x000/0x007), packets:29, bytes:5150, used:4.033s, flags:P., actions:set(eth(src=68:54:ed:00:00:01,dst=fa:16:3e:61:f0:1b)),set(ipv4(src=28.25.192.49,dst=192.68.0.39,proto=6,tos=0,ttl=111,frag=no)),set(skb_mark(0x7f200)),14
$ o/ q3 d9 V( X* K& rskb_priority(0),in_port(14),eth(src=fa:16:3e:61:f0:1b,dst=68:54:ed:00:00:01),eth_type(0x0800),ipv4(src=192.68.0.39,dst=28.25.192.49,proto=6,tos=0x8,ttl=64,frag=no),tcp(src=13306,dst=52305),tcp_flags(0x000/0x007), packets:132, bytes:22121, used:2.075s, flags:P., actions:set(eth(src=02:9d:73:05:43:00,dst=a4:7b:2c:57:29:3f)),set(ipv4(src=12.35.27.26,dst=28.25.192.49,proto=6,tos=0x8,ttl=63,frag=no)),1
* u: d/ t* p# ^8 s- Uskb_priority(0),tunnel(tun_id=0x848d8d/0xffffffffffffffff,src=10.32.0.13/255.255.255.255,dst=10.32.65.180/255.255.255.255,tos=0/0xff,ttl=254/0xff,flags(key)),in_port(7),skb_mark(0),eth(src=a4:7b:2c:57:29:3f,dst=00:00:0a:20:41:b4),eth_type(0x0800),ipv4(src=28.25.192.49,dst=12.35.27.26,proto=6,tos=0,ttl=113,frag=no),tcp(src=52304,dst=13306),tcp_flags(0x000/0x007), packets:2, bytes:387, used:4.381s, flags:P., actions:set(eth(src=68:54:ed:00:00:01,dst=fa:16:3e:61:f0:1b)),set(ipv4(src=28.25.192.49,dst=192.68.0.39,proto=6,tos=0,ttl=112,frag=no)),set(skb_mark(0x7f200)),14
4 e# k6 q( U9 n1 ?1 X" [skb_priority(0),in_port(14),eth(src=fa:16:3e:61:f0:1b,dst=68:54:ed:00:00:01),eth_type(0x0800),ipv4(src=192.68.0.39,dst=28.25.192.49,proto=6,tos=0x8,ttl=64,frag=no),tcp(src=13306,dst=52307),tcp_flags(0x000/0x007), packets:11, bytes:4297, used:1.625s, flags:P., actions:set(eth(src=02:9d:73:05:43:00,dst=a4:7b:2c:57:29:3f)),set(ipv4(src=12.35.27.26,dst=28.25.192.49,proto=6,tos=0x8,ttl=63,frag=no)),1
skb_priority(0),tunnel(tun_id=0x848d8d/0xffffffffffffffff,src=10.32.0.14/255.255.255.255,dst=10.32.65.180/255.255.255.255,tos=0/0xff,ttl=254/0xff,flags(key)),in_port(7),skb_mark(0),eth(src=a4:7b:2c:56:e9:3f,dst=00:00:0a:20:41:b4),eth_type(0x0800),ipv4(src=28.25.192.49,dst=12.35.27.26,proto=6,tos=0,ttl=113,frag=no),tcp(src=52302,dst=13306),tcp_flags(0x000/0x007), packets:8, bytes:2369, used:3.318s, flags:P., actions:set(eth(src=68:54:ed:00:00:01,dst=fa:16:3e:61:f0:1b)),set(ipv4(src=28.25.192.49,dst=192.68.0.39,proto=6,tos=0,ttl=112,frag=no)),set(skb_mark(0x7f200)),14
skb_priority(0),tunnel(tun_id=0x848d8d/0xffffffffffffffff,src=10.32.0.13/255.255.255.255,dst=10.32.65.180/255.255.255.255,tos=0/0xff,ttl=254/0xff,flags(key)),in_port(7),skb_mark(0),eth(src=a4:7b:2c:57:29:3f,dst=00:00:0a:20:41:b4),eth_type(0x0800),ipv4(src=23.225.46.94,dst=12.35.27.26,proto=6,tos=0,ttl=112,frag=no),tcp(src=59273,dst=39107),tcp_flags(0x014/0x400), packets:0, bytes:0, used:never, actions:set(eth(src=68:54:ed:00:00:01,dst=fa:16:3e:61:f0:1b)),set(ipv4(src=23.225.46.94,dst=192.68.0.39,proto=6,tos=0,ttl=111,frag=no)),set(skb_mark(0x7f200)),14
skb_priority(0),in_port(14),eth(src=fa:16:3e:61:f0:1b,dst=68:54:ed:00:00:01),eth_type(0x0800),ipv4(src=192.68.0.39,dst=28.25.192.49,proto=6,tos=0x8,ttl=64,frag=no),tcp(src=13306,dst=52304),tcp_flags(0x000/0x007), packets:2, bytes:1026, used:4.435s, flags:P., actions:set(eth(src=02:9d:73:05:43:00,dst=a4:7b:2c:57:29:3f)),set(ipv4(src=12.35.27.26,dst=28.25.192.49,proto=6,tos=0x8,ttl=63,frag=no)),1
skb_priority(0),in_port(4),eth(src=02:9d:73:05:43:00,dst=a4:7b:2c:57:29:3f),eth_type(0x0800),ipv4(src=12.35.27.26/0.0.0.0,dst=23.225.46.94/0.0.0.0,proto=6/0,tos=0/0x3,ttl=63/0,frag=no/0xff), packets:36477, bytes:8097415, used:0.150s, flags:SFP., actions:set(tunnel(tun_id=0x848d8d,src=0.0.0.0,dst=10.32.0.13,tos=0x0,ttl=64,flags(key))),set(eth(src=8e:1d:94:5d:4f:4c,dst=a4:7b:2c:57:29:3f)),7
+ h! Y9 u, Z- l8 nskb_priority(0),tunnel(tun_id=0x848d8d/0xffffffffffffffff,src=10.32.0.14/255.255.255.255,dst=10.32.65.180/255.255.255.255,tos=0/0xff,ttl=254/0xff,flags(key)),in_port(7),skb_mark(0),eth(src=a4:7b:2c:56:e9:3f,dst=00:00:0a:20:41:b4),eth_type(0x0800),ipv4(src=28.25.192.49,dst=12.35.27.26,proto=6,tos=0,ttl=112,frag=no),tcp(src=52306,dst=13306),tcp_flags(0x000/0x007), packets:2, bytes:1355, used:3.840s, flags:P., actions:set(eth(src=68:54:ed:00:00:01,dst=fa:16:3e:61:f0:1b)),set(ipv4(src=28.25.192.49,dst=192.68.0.39,proto=6,tos=0,ttl=111,frag=no)),set(skb_mark(0x7f200)),14
7 a  x. F- [' ~0 l2 i