php网站只能打开首页,微信如何创建自己的公众号,wordpress菜单链接关系,多用户服务交易系统负载均衡定义
负载均衡器的实现原理是通过硬件或软件设备将客户端访问流量根据转发策略分发到多个服务器或设备上#xff0c;以确保系统的负载均衡。常见的实现方式包括#xff1a;
二层负载均衡#xff1a;使用虚拟MAC地址方式#xff0c;根据OSI模型的二层进行负载均…负载均衡定义
负载均衡器的实现原理是通过硬件或软件设备将客户端访问流量根据转发策略分发到多个服务器或设备上以确保系统的负载均衡。常见的实现方式包括
二层负载均衡使用虚拟MAC地址方式根据OSI模型的二层进行负载均衡。四层负载均衡基于IP端口的负载均衡主要分析IP层及TCP/UDP层实现四层负载均衡。七层负载均衡从应用层开始根据虚拟的URL或IP、主机名接收请求再转向相应的处理服务器。
二层负载均衡
网络设备交换机过程分析只有当pod访问负载均衡vip且是首包的情况下匹配switch负载均衡在group里采用select机制根据数据包五元组哈希选择一个endpoint打上ct_mark标记并dnat到endpointovs流表 table19, priority120,ct_statenewtrk,tcp,metadata0x1,nw_dst10.96.187.144,tp_dst10001 actionsload:0-NXM_NX_XXREG0[97],load:0xa60bb90→NXM_NX_XXREG0[64..95],load:0x2711→NXM_NX_XXREG0[32..47],group:5# 在group里进行负载均衡group_id5,typeselect,selection_methoddp_hash,bucketbucket_id:0,weight:100,actionsct(commit,table20,zoneNXM_NX_REG13[0..15],nat(dst10.244.0.4:80),exec(load:0x1-NXM_NX_CT_MARK[1])),bucketbucket_id:1,weight:100,actionsct(commit,table20,zoneNXM_NX_REG13[0..15],nat(dst10.244.0.5:80),exec(load:0x1-NXM_NX_CT_MARK[1])),bucketbucket_id:2,weight:100,actionsct(commit,table20,zoneNXM_NX_REG13[0..15],nat(dst10.244.0.6:80),exec(load:0x1-NXM_NX_CT_MARK[1])),bucketbucket_id:3,weight:100,actionsct(commit,table20,zoneNXM_NX_REG13[0..15],nat(dst10.244.0.7:80),exec(load:0x1→NXM_NX_CT_MARK[1]))ovn流表
# ovn-trace --ctnew node1 inportovn-poc_service-a-89c68dc96-f75t2 eth.src 0a:58:0a:f4:00:04 eth.dst 0a:58:0a:f4:00:01 ip4.src10.244.0.4 ip.ttl64 ip4.dst10.96.187.144 tcp.dst10001
# tcp,reg140x3,vlan_tci0x0000,dl_src0a:58:0a:f4:00:04,dl_dst0a:58:0a:f4:00:01,nw_src10.244.0.4,nw_dst10.96.187.144,nw_tos0,nw_ecn0,nw_ttl64,tp_src0,tp_dst10001,tcp_flags0ingress(dpnode1, inportovn-poc_service-a-89c68dc96-f75t2)
---------------------------------------------------------------0. ls_in_check_port_sec (northd.c:7727): 1, priority 50, uuid 03dc908creg0[15] check_in_port_sec();next;4. ls_in_pre_acl (northd.c:5649): ip, priority 100, uuid df97729freg0[0] 1;next;5. ls_in_pre_lb (northd.c:5820): ip, priority 100, uuid 1990086areg0[2] 1;next;6. ls_in_pre_stateful (northd.c:5852): reg0[2] 1 ip4 tcp, priority 120, uuid 454a1f78reg1 ip4.dst;reg2[0..15] tcp.dst;ct_lb_mark;ct_lb_mark
----------7. ls_in_acl_hint (northd.c:5929): ct.new !ct.est, priority 7, uuid 24ab3fd0reg0[7] 1;reg0[9] 1;next;8. ls_in_acl (northd.c:6545): ip !ct.est, priority 1, uuid 8eaca776reg0[1] 1;next;
11. ls_in_lb (northd.c:6858): ct.new ip4.dst 10.96.187.144 tcp.dst 10001, priority 120, uuid 4bf79ca8reg0[1] 0;reg1 10.96.187.144;reg2[0..15] 10001;ct_lb_mark(backends10.244.0.4:80,10.244.0.5:80,10.244.0.6:80,10.244.0.7:80);ct_lb_mark /* default (use --ct to customize) */
------------------------------------------------
14. ls_in_pre_hairpin (northd.c:6931): ip ct.trk, priority 100, uuid 1328c195reg0[6] chk_lb_hairpin();reg0[12] chk_lb_hairpin_reply();*** chk_lb_hairpin_reply action not implementednext;
23. ls_in_l2_lkup (northd.c:8465): eth.dst 0a:58:0a:f4:00:01, priority 50, uuid 3c5ecd19outport stor-node1;output;egress(dpnode1, inportovn-poc_service-a-89c68dc96-f75t2, outportstor-node1)
------------------------------------------------------------------------------------0. ls_out_pre_lb (northd.c:5538): ip outport stor-node1, priority 110, uuid 2d693c30next;1. ls_out_pre_acl (northd.c:5538): ip outport stor-node1, priority 110, uuid c384472dnext;3. ls_out_acl_hint (northd.c:5992): ct.est ct_mark.blocked 0, priority 1, uuid f77da843reg0[10] 1;next;8. ls_out_check_port_sec (northd.c:5505): 1, priority 0, uuid 4fb4d39freg0[15] check_out_port_sec();next;9. ls_out_apply_port_sec (northd.c:5510): 1, priority 0, uuid 6d6e8323output;/* output to stor-node1, type patch */ingress(dpovn_cluster_router, inportrtos-node1)
-----------------------------------------------------0. lr_in_admission (northd.c:10835): eth.dst 0a:58:0a:f4:00:01 inport rtos-node1 is_chassis_resident(cr-rtos-node1), priority 50, uuid be29772fxreg0[0..47] 0a:58:0a:f4:00:01;next;1. lr_in_lookup_neighbor (northd.c:10979): 1, priority 0, uuid e1a8324creg9[2] 1;next;2. lr_in_learn_neighbor (northd.c:10988): reg9[2] 1, priority 100, uuid 64a7073bnext;
10. lr_in_ip_routing_pre (northd.c:11214): 1, priority 0, uuid 7dd0d651reg7 0;next;
11. lr_in_ip_routing (northd.c:9629): ip4.dst 10.244.0.0/24, priority 74, uuid 7546028cip.ttl--;reg8[0..15] 0;reg0 ip4.dst;reg1 10.244.0.1;eth.src 0a:58:0a:f4:00:01;outport rtos-node1;flags.loopback 1;next;
12. lr_in_ip_routing_ecmp (northd.c:11290): reg8[0..15] 0, priority 150, uuid 95a7470dnext;
13. lr_in_policy (northd.c:11457): 1, priority 0, uuid 9fff15f1reg8[0..15] 0;next;
14. lr_in_policy_ecmp (northd.c:11459): reg8[0..15] 0, priority 150, uuid f7115b27next;
15. lr_in_arp_resolve (northd.c:11660): outport rtos-node1 reg0 10.244.0.6, priority 100, uuid 5eb2a06deth.dst 0a:58:0a:f4:00:06;next;
18. lr_in_gw_redirect (northd.c:12060): outport rtos-node1, priority 50, uuid a372b2faoutport cr-rtos-node1;next;
19. lr_in_arp_request (northd.c:12178): 1, priority 0, uuid d469dbb2output;/* Replacing type chassisredirect outport cr-rtos-node1 with distributed port rtos-node1. */egress(dpovn_cluster_router, inportrtos-node1, outportrtos-node1)
--------------------------------------------------------------------------0. lr_out_chk_dnat_local (northd.c:13442): 1, priority 0, uuid 43040472reg9[4] 0;next;6. lr_out_delivery (northd.c:12225): outport rtos-node1, priority 100, uuid c027ddcdoutput;/* output to rtos-node1, type patch */ingress(dpnode1, inportstor-node1)
----------------------------------------0. ls_in_check_port_sec (northd.c:7727): 1, priority 50, uuid 03dc908creg0[15] check_in_port_sec();next;4. ls_in_pre_acl (northd.c:5535): ip inport stor-node1, priority 110, uuid dea94017next;5. ls_in_pre_lb (northd.c:5535): ip inport stor-node1, priority 110, uuid 9594bbf7next;7. ls_in_acl_hint (northd.c:5992): ct.est ct_mark.blocked 0, priority 1, uuid 2c071dfereg0[10] 1;next;
14. ls_in_pre_hairpin (northd.c:6931): ip ct.trk, priority 100, uuid 1328c195reg0[6] chk_lb_hairpin();reg0[12] chk_lb_hairpin_reply();*** chk_lb_hairpin_reply action not implementednext;
23. ls_in_l2_lkup (northd.c:8394): eth.dst 0a:58:0a:f4:00:06, priority 50, uuid d57c86c5outport ovn-poc_service-a-89c68dc96-tgkwt;output;egress(dpnode1, inportstor-node1, outportovn-poc_service-a-89c68dc96-tgkwt)
------------------------------------------------------------------------------------0. ls_out_pre_lb (northd.c:5822): ip, priority 100, uuid fe121cbfreg0[2] 1;next;1. ls_out_pre_acl (northd.c:5651): ip, priority 100, uuid 105736e5reg0[0] 1;next;2. ls_out_pre_stateful (northd.c:5872): reg0[2] 1, priority 110, uuid 1c6b05efct_lb_mark;ct_lb_mark /* default (use --ct to customize) */
------------------------------------------------3. ls_out_acl_hint (northd.c:5992): ct.est ct_mark.blocked 0, priority 1, uuid f77da843reg0[10] 1;next;8. ls_out_check_port_sec (northd.c:5505): 1, priority 0, uuid 4fb4d39freg0[15] check_out_port_sec();next;9. ls_out_apply_port_sec (northd.c:5510): 1, priority 0, uuid 6d6e8323output;/* output to ovn-poc_service-a-89c68dc96-tgkwt, type */二层负载均衡
网络设备路由器过程分析只host访问负载均衡vip且是首包走3层router负载均衡在group里采用select机制根据数据包五元组哈希选择一个endpointdnat到endpoint再通过dnat后的网段进行路由到ovn_cluster_router转发到podovs流表
table14, priority120,ct_statenewtrk,tcp,reg00xa60bb90,reg90x27110000/0xffff0000,metadata0x7 actionsload:0x1-NXM_NX_REG10[3],group:6# 在group里进行负载均衡group_id6,typeselect,selection_methoddp_hash,bucketbucket_id:0,weight:100,actionsct(commit,table15,zoneNXM_NX_REG11[0..15],nat(dst10.244.0.4:80),exec(load:0x1-NXM_NX_CT_MARK[1])),bucketbucket_id:1,weight:100,actionsct(commit,table15,zoneNXM_NX_REG11[0..15],nat(dst10.244.0.5:80),exec(load:0x1-NXM_NX_CT_MARK[1])),bucketbucket_id:2,weight:100,actionsct(commit,table15,zoneNXM_NX_REG11[0..15],nat(dst10.244.0.6:80),exec(load:0x1-NXM_NX_CT_MARK[1])),bucketbucket_id:3,weight:100,actionsct(commit,table15,zoneNXM_NX_REG11[0..15],nat(dst10.244.0.7:80),exec(load:0x1-NXM_NX_CT_MARK[1]))ovn流表
# ovn-trace --ctnew ext_node1 inportbrenp0s10_node1 eth.srcfa:92:01:b6:d4:fd eth.dstfa:92:01:b6:d4:fd ip4.src169.254.169.2 ip4.dst10.96.187.144 ip ip.ttl64 tcp.dst10001
# tcp,reg140x1,vlan_tci0x0000,dl_srcfa:92:01:b6:d4:fd,dl_dstfa:92:01:b6:d4:fd,nw_src169.254.169.2,nw_dst10.96.187.144,nw_tos0,nw_ecn0,nw_ttl64,tp_src0,tp_dst10001,tcp_flags0ingress(dpext_node1, inportbrenp0s10_node1)
-------------------------------------------------0. ls_in_check_port_sec (northd.c:7727): 1, priority 50, uuid 03dc908creg0[15] check_in_port_sec();next;5. ls_in_pre_lb (northd.c:5535): ip inport brenp0s10_node1, priority 110, uuid 51131891next;
17. ls_in_arp_rsp (northd.c:7749): inport brenp0s10_node1, priority 100, uuid 55db24b2next;
23. ls_in_l2_lkup (northd.c:8394): eth.dst fa:92:01:b6:d4:fd, priority 50, uuid 034b6bbeoutport etor-GR_node1;output;egress(dpext_node1, inportbrenp0s10_node1, outportetor-GR_node1)
-------------------------------------------------------------------------0. ls_out_pre_lb (northd.c:5538): ip outport etor-GR_node1, priority 110, uuid 2762bbbbnext;8. ls_out_check_port_sec (northd.c:5505): 1, priority 0, uuid 4fb4d39freg0[15] check_out_port_sec();next;9. ls_out_apply_port_sec (northd.c:5510): 1, priority 0, uuid 6d6e8323output;/* output to etor-GR_node1, type l3gateway */ingress(dpGR_node1, inportrtoe-GR_node1)
----------------------------------------------0. lr_in_admission (northd.c:10835): eth.dst fa:92:01:b6:d4:fd inport rtoe-GR_node1, priority 50, uuid 8b77bd84xreg0[0..47] fa:92:01:b6:d4:fd;next;1. lr_in_lookup_neighbor (northd.c:10979): 1, priority 0, uuid e1a8324creg9[2] 1;next;2. lr_in_learn_neighbor (northd.c:10988): reg9[2] 1 || reg9[3] 0, priority 100, uuid 2c666711next;5. lr_in_defrag (northd.c:10148): ip ip4.dst 10.96.187.144 tcp, priority 110, uuid d7c84c30reg0 10.96.187.144;reg9[16..31] tcp.dst;ct_dnat;ct_dnat /* assuming no un-dnat entry, so no change */
-----------------------------------------------------6. lr_in_dnat (northd.c:9766): ct.new ip4 reg0 10.96.187.144 tcp reg9[16..31] 10001, priority 120, uuid 16accb91flags.force_snat_for_lb 1;ct_lb_mark(backends10.244.0.4:80,10.244.0.5:80,10.244.0.6:80,10.244.0.7:80);ct_lb_mark /* default (use --ct to customize) */
------------------------------------------------
10. lr_in_ip_routing_pre (northd.c:11214): 1, priority 0, uuid 7dd0d651reg7 0;next;
11. lr_in_ip_routing (northd.c:9629): reg7 0 ip4.dst 10.244.0.0/16, priority 49, uuid b99c65d6ip.ttl--;reg8[0..15] 0;reg0 100.64.0.1;reg1 100.64.0.3;eth.src 0a:58:64:40:00:03;outport rtoj-GR_node1;flags.loopback 1;next;
12. lr_in_ip_routing_ecmp (northd.c:11290): reg8[0..15] 0, priority 150, uuid 95a7470dnext;
13. lr_in_policy (northd.c:11457): 1, priority 0, uuid 9fff15f1reg8[0..15] 0;next;
14. lr_in_policy_ecmp (northd.c:11459): reg8[0..15] 0, priority 150, uuid f7115b27next;
15. lr_in_arp_resolve (northd.c:11493): ip4, priority 0, uuid 7becfca7get_arp(outport, reg0);/* MAC binding to 0a:58:64:40:00:01. */next;
19. lr_in_arp_request (northd.c:12178): 1, priority 0, uuid d469dbb2output;egress(dpGR_node1, inportrtoe-GR_node1, outportrtoj-GR_node1)
----------------------------------------------------------------------0. lr_out_chk_dnat_local (northd.c:13442): 1, priority 0, uuid 43040472reg9[4] 0;next;1. lr_out_undnat (northd.c:13462): ip, priority 50, uuid 998e6c30flags.loopback 1;ct_dnat;ct_dnat /* assuming no un-dnat entry, so no change */
-----------------------------------------------------2. lr_out_post_undnat (northd.c:13464): ip ct.new, priority 50, uuid 13cbb26fct_commit;next;6. lr_out_delivery (northd.c:12225): outport rtoj-GR_node1, priority 100, uuid 215be6d1output;/* output to rtoj-GR_node1, type l3gateway */ingress(dpjoin, inportjtor-GR_node1)
------------------------------------------0. ls_in_check_port_sec (northd.c:7727): 1, priority 50, uuid 03dc908creg0[15] check_in_port_sec();next;5. ls_in_pre_lb (northd.c:5535): ip inport jtor-GR_node1, priority 110, uuid e6087be9next;
23. ls_in_l2_lkup (northd.c:8465): eth.dst 0a:58:64:40:00:01, priority 50, uuid 6a3b96d6outport jtor-ovn_cluster_router;output;egress(dpjoin, inportjtor-GR_node1, outportjtor-ovn_cluster_router)
----------------------------------------------------------------------------0. ls_out_pre_lb (northd.c:5538): ip outport jtor-ovn_cluster_router, priority 110, uuid 843f9c76next;8. ls_out_check_port_sec (northd.c:5505): 1, priority 0, uuid 4fb4d39freg0[15] check_out_port_sec();next;9. ls_out_apply_port_sec (northd.c:5510): 1, priority 0, uuid 6d6e8323output;/* output to jtor-ovn_cluster_router, type patch */ingress(dpovn_cluster_router, inportrtoj-ovn_cluster_router)
------------------------------------------------------------------0. lr_in_admission (northd.c:10835): eth.dst 0a:58:64:40:00:01 inport rtoj-ovn_cluster_router, priority 50, uuid 4a2c861fxreg0[0..47] 0a:58:64:40:00:01;next;1. lr_in_lookup_neighbor (northd.c:10979): 1, priority 0, uuid e1a8324creg9[2] 1;next;2. lr_in_learn_neighbor (northd.c:10988): reg9[2] 1, priority 100, uuid 64a7073bnext;
10. lr_in_ip_routing_pre (northd.c:11214): 1, priority 0, uuid 7dd0d651reg7 0;next;
11. lr_in_ip_routing (northd.c:9629): ip4.dst 10.244.0.0/24, priority 74, uuid 7546028cip.ttl--;reg8[0..15] 0;reg0 ip4.dst;reg1 10.244.0.1;eth.src 0a:58:0a:f4:00:01;outport rtos-node1;flags.loopback 1;next;
12. lr_in_ip_routing_ecmp (northd.c:11290): reg8[0..15] 0, priority 150, uuid 95a7470dnext;
13. lr_in_policy (northd.c:11457): 1, priority 0, uuid 9fff15f1reg8[0..15] 0;next;
14. lr_in_policy_ecmp (northd.c:11459): reg8[0..15] 0, priority 150, uuid f7115b27next;
15. lr_in_arp_resolve (northd.c:11660): outport rtos-node1 reg0 10.244.0.4, priority 100, uuid 98d8234deth.dst 0a:58:0a:f4:00:04;next;
18. lr_in_gw_redirect (northd.c:12060): outport rtos-node1, priority 50, uuid a372b2faoutport cr-rtos-node1;next;
19. lr_in_arp_request (northd.c:12178): 1, priority 0, uuid d469dbb2output;/* Replacing type chassisredirect outport cr-rtos-node1 with distributed port rtos-node1. */egress(dpovn_cluster_router, inportrtoj-ovn_cluster_router, outportrtos-node1)
---------------------------------------------------------------------------------------0. lr_out_chk_dnat_local (northd.c:13442): 1, priority 0, uuid 43040472reg9[4] 0;next;6. lr_out_delivery (northd.c:12225): outport rtos-node1, priority 100, uuid c027ddcdoutput;/* output to rtos-node1, type patch */ingress(dpnode1, inportstor-node1)
----------------------------------------0. ls_in_check_port_sec (northd.c:7727): 1, priority 50, uuid 03dc908creg0[15] check_in_port_sec();next;4. ls_in_pre_acl (northd.c:5535): ip inport stor-node1, priority 110, uuid dea94017next;5. ls_in_pre_lb (northd.c:5535): ip inport stor-node1, priority 110, uuid 9594bbf7next;7. ls_in_acl_hint (northd.c:5992): ct.est ct_mark.blocked 0, priority 1, uuid 2c071dfereg0[10] 1;next;
14. ls_in_pre_hairpin (northd.c:6931): ip ct.trk, priority 100, uuid 1328c195reg0[6] chk_lb_hairpin();reg0[12] chk_lb_hairpin_reply();*** chk_lb_hairpin_reply action not implementednext;
23. ls_in_l2_lkup (northd.c:8394): eth.dst 0a:58:0a:f4:00:04, priority 50, uuid 50aab262outport ovn-poc_service-a-89c68dc96-f75t2;output;egress(dpnode1, inportstor-node1, outportovn-poc_service-a-89c68dc96-f75t2)
------------------------------------------------------------------------------------0. ls_out_pre_lb (northd.c:5822): ip, priority 100, uuid fe121cbfreg0[2] 1;next;1. ls_out_pre_acl (northd.c:5651): ip, priority 100, uuid 105736e5reg0[0] 1;next;2. ls_out_pre_stateful (northd.c:5872): reg0[2] 1, priority 110, uuid 1c6b05efct_lb_mark;ct_lb_mark /* default (use --ct to customize) */
------------------------------------------------3. ls_out_acl_hint (northd.c:5992): ct.est ct_mark.blocked 0, priority 1, uuid f77da843reg0[10] 1;next;8. ls_out_check_port_sec (northd.c:5505): 1, priority 0, uuid 4fb4d39freg0[15] check_out_port_sec();next;9. ls_out_apply_port_sec (northd.c:5510): 1, priority 0, uuid 6d6e8323output;/* output to ovn-poc_service-a-89c68dc96-f75t2, type */hairpin特殊场景lb
网络设备交换机过程分析当pod访问serviceIP经过负载均衡后的endpoint是自己时snat将源ip改为vip源目mac互换跳过2层转发回到源pod此过程在switch即可完成不需要再经过routerovs流表
table22, priority100,ct_statetrk,ip,metadata0x1 actionsload:0-NXM_NX_REG10[7],resubmit(,68),move:NXM_NX_REG10[7]→NXM_NX_XXREG0[102],load:0→NXM_NX_REG10[7],resubmit(,69),move:NXM_NX_REG10[7]→NXM_NX_XXREG0[108],resubmit(,23)
table68, priority100,ct_mark0x2/0x2,tcp,reg10xa60b85f,reg20x2711/0xffff,nw_src10.244.0.4,nw_dst10.244.0.4,tp_dst80 actionsload:0x1-NXM_NX_REG10[7],learn(table69,delete_learned,cookie0x8a0b4179,OXM_OF_METADATA[],eth_type0x800,NXM_OF_IP_SRC[],ip_dst10.96.184.95,nw_proto6,NXM_OF_TCP_SRC[]NXM_OF_TCP_DST[],load:0x1→NXM_NX_REG10[7])ovn流表
# ovn-trace --ctnew node1 inportovn-poc_service-a-89c68dc96-fm272 eth.src 0a:58:0a:f4:00:04 eth.dst 0a:58:0a:f4:00:01 ip4.src10.244.0.4 ip.ttl64 ip4.dst10.96.184.95 tcp.dst10001
2023-11-16T02:15:46Z|00001|ovntrace|WARN|ovn-poc_service-a-89c68dc96-f75t2: unknown logical port
2023-11-16T02:15:46Z|00002|ovntrace|WARN|ovn-poc_service-a-89c68dc96-f75t2: unknown logical port
# tcp,reg140x3,vlan_tci0x0000,dl_src0a:58:0a:f4:00:04,dl_dst0a:58:0a:f4:00:01,nw_src10.244.0.4,nw_dst10.96.184.95,nw_tos0,nw_ecn0,nw_ttl64,tp_src0,tp_dst10001,tcp_flags0ingress(dpnode1, inportovn-poc_service-a-89c68dc96-fm272)
---------------------------------------------------------------0. ls_in_check_port_sec (northd.c:7727): 1, priority 50, uuid 03dc908creg0[15] check_in_port_sec();next;4. ls_in_pre_acl (northd.c:5649): ip, priority 100, uuid df97729freg0[0] 1;next;5. ls_in_pre_lb (northd.c:5820): ip, priority 100, uuid 1990086areg0[2] 1;next;6. ls_in_pre_stateful (northd.c:5852): reg0[2] 1 ip4 tcp, priority 120, uuid 454a1f78reg1 ip4.dst;reg2[0..15] tcp.dst;ct_lb_mark;ct_lb_mark
----------7. ls_in_acl_hint (northd.c:5929): ct.new !ct.est, priority 7, uuid 24ab3fd0reg0[7] 1;reg0[9] 1;next;8. ls_in_acl (northd.c:6545): ip !ct.est, priority 1, uuid 8eaca776reg0[1] 1;next;
11. ls_in_lb (northd.c:6858): ct.new ip4.dst 10.96.184.95 tcp.dst 10001, priority 120, uuid 6b816103reg0[1] 0;reg1 10.96.184.95;reg2[0..15] 10001;ct_lb_mark(backends10.244.0.4:80);ct_lb_mark /* default (use --ct to customize) */
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14. ls_in_pre_hairpin (northd.c:6931): ip ct.trk, priority 100, uuid 1328c195reg0[6] chk_lb_hairpin();reg0[12] chk_lb_hairpin_reply();*** chk_lb_hairpin_reply action not implementednext;
15. ls_in_nat_hairpin (northd.c:6940): ip ct.new ct.trk reg0[6] 1, priority 100, uuid 89e48276ct_snat_to_vip;*** ct_snat_to_vip action not implementednext;
16. ls_in_hairpin (northd.c:6965): (reg0[6] 1 || reg0[12] 1), priority 1, uuid 4680c239eth.dst - eth.src;outport inport;flags.loopback 1;output;egress(dpnode1, inportovn-poc_service-a-89c68dc96-fm272, outportovn-poc_service-a-89c68dc96-fm272)
-----------------------------------------------------------------------------------------------------------0. ls_out_pre_lb (northd.c:5822): ip, priority 100, uuid fe121cbfreg0[2] 1;next;1. ls_out_pre_acl (northd.c:5651): ip, priority 100, uuid 105736e5reg0[0] 1;next;2. ls_out_pre_stateful (northd.c:5872): reg0[2] 1, priority 110, uuid 1c6b05efct_lb_mark;ct_lb_mark /* default (use --ct to customize) */
------------------------------------------------3. ls_out_acl_hint (northd.c:5992): ct.est ct_mark.blocked 0, priority 1, uuid f77da843reg0[10] 1;next;8. ls_out_check_port_sec (northd.c:5505): 1, priority 0, uuid 4fb4d39freg0[15] check_out_port_sec();next;9. ls_out_apply_port_sec (northd.c:5510): 1, priority 0, uuid 6d6e8323output;/* output to ovn-poc_service-a-89c68dc96-fm272, type */
