Linux-Networking
docker0 網橋狀態在啟用/禁用之間切換,可能是什麼原因造成的?
我有一些 CoreOS 裸機實例在 docker0 橋接設備上顯示異常行為。
在發生這種情況的一個實例中,我正在執行 couchbase 伺服器,它導致了一些重新平衡問題。當我將沙發底座移動到沒有發生這種情況的節點時,問題就消失了。
可能是什麼原因造成的?什麼決定了橋接設備的狀態?
硬體是一樣的。除 IP 地址外,配置相同。
請參閱以下輸出:
[ 11.219278] igb 0000:02:00.1 eno2: renamed from eth1 [ 11.233382] igb 0000:02:00.0 eno1: renamed from eth0 [ 11.254416] EXT4-fs (sda6): mounted filesystem with ordered data mode. Opts: commit=600 [ 11.458737] IPv6: ADDRCONF(NETDEV_UP): ib0: link is not ready [ 11.579397] IPv6: ADDRCONF(NETDEV_UP): eno2: link is not ready [ 11.698029] IPv6: ADDRCONF(NETDEV_UP): eno1: link is not ready [ 12.010779] bridge: automatic filtering via arp/ip/ip6tables has been deprecated. Update your scripts to load br_netfilter if you need this. [ 12.024156] IPv6: ADDRCONF(NETDEV_UP): docker0: link is not ready [ 12.036945] ip_tables: (C) 2000-2006 Netfilter Core Team [ 12.051018] nf_conntrack version 0.5.0 (16384 buckets, 65536 max) [ 14.650802] igb 0000:02:00.0 eno1: igb: eno1 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX [ 14.660237] IPv6: ADDRCONF(NETDEV_CHANGE): eno1: link becomes ready [ 14.742461] IPv6: ADDRCONF(NETDEV_CHANGE): ib0: link becomes ready [ 45.805457] random: nonblocking pool is initialized [ 111.008838] IPv6: ADDRCONF(NETDEV_UP): vetha6b1e7a: link is not ready [ 111.015941] IPv6: ADDRCONF(NETDEV_CHANGE): vetha6b1e7a: link becomes ready [ 111.023065] device veth7ef24ab entered promiscuous mode [ 111.043171] eth0: renamed from vetha6b1e7a [ 112.009927] docker0: port 1(veth7ef24ab) entered forwarding state [ 112.016158] docker0: port 1(veth7ef24ab) entered forwarding state [ 112.022483] IPv6: ADDRCONF(NETDEV_CHANGE): docker0: link becomes ready [ 112.099447] docker0: port 1(veth7ef24ab) entered disabled state [ 112.107076] device veth7ef24ab left promiscuous mode [ 112.112173] docker0: port 1(veth7ef24ab) entered disabled state [ 122.461130] device vethf877e85 entered promiscuous mode [ 122.466924] IPv6: ADDRCONF(NETDEV_UP): vethf877e85: link is not ready [ 122.473684] IPv6: ADDRCONF(NETDEV_CHANGE): vethf877e85: link becomes ready [ 122.480738] docker0: port 1(vethf877e85) entered forwarding state [ 122.486970] docker0: port 1(vethf877e85) entered forwarding state [ 122.506427] eth0: renamed from vethf26c9f2 [ 122.632319] docker0: port 1(vethf877e85) entered disabled state [ 122.639992] device vethf877e85 left promiscuous mode [ 122.645123] docker0: port 1(vethf877e85) entered disabled state [ 132.921279] device vethb82e1be entered promiscuous mode [ 132.927131] IPv6: ADDRCONF(NETDEV_UP): vethb82e1be: link is not ready [ 132.933864] IPv6: ADDRCONF(NETDEV_CHANGE): vethb82e1be: link becomes ready [ 132.940925] docker0: port 1(vethb82e1be) entered forwarding state [ 132.947184] docker0: port 1(vethb82e1be) entered forwarding state [ 132.964347] eth0: renamed from veth6449c8e [ 133.013215] docker0: port 1(vethb82e1be) entered disabled state [ 133.021003] device vethb82e1be left promiscuous mode [ 133.026104] docker0: port 1(vethb82e1be) entered disabled state [ 143.403885] device vethddb7ee6 entered promiscuous mode [ 143.409539] IPv6: ADDRCONF(NETDEV_UP): vethdd4d268: link is not ready [ 143.416339] IPv6: ADDRCONF(NETDEV_CHANGE): vethdd4d268: link becomes ready [ 143.433351] eth0: renamed from vethdd4d268 [ 144.404045] docker0: port 1(vethddb7ee6) entered forwarding state [ 144.410292] docker0: port 1(vethddb7ee6) entered forwarding state [ 144.480602] docker0: port 1(vethddb7ee6) entered disabled state [ 144.488347] device vethddb7ee6 left promiscuous mode [ 144.493480] docker0: port 1(vethddb7ee6) entered disabled state [ 154.925053] IPv6: ADDRCONF(NETDEV_UP): vethadcefb2: link is not ready [ 154.931794] device veth6087f8b entered promiscuous mode [ 154.937610] IPv6: ADDRCONF(NETDEV_CHANGE): vethadcefb2: link becomes ready [ 154.956632] eth0: renamed from vethadcefb2 [ 155.924469] docker0: port 1(veth6087f8b) entered forwarding state [ 155.930718] docker0: port 1(veth6087f8b) entered forwarding state [ 156.007957] docker0: port 1(veth6087f8b) entered disabled state [ 156.015658] device veth6087f8b left promiscuous mode [ 156.020781] docker0: port 1(veth6087f8b) entered disabled state [ 166.387105] IPv6: ADDRCONF(NETDEV_UP): veth407dccf: link is not ready [ 166.394294] IPv6: ADDRCONF(NETDEV_CHANGE): veth407dccf: link becomes ready [ 166.401417] device veth8f92cbb entered promiscuous mode [ 166.420099] eth0: renamed from veth407dccf [ 167.386861] docker0: port 1(veth8f92cbb) entered forwarding state [ 167.393107] docker0: port 1(veth8f92cbb) entered forwarding state [ 167.476477] docker0: port 1(veth8f92cbb) entered disabled state [ 167.484157] device veth8f92cbb left promiscuous mode
這是 Docker 網橋的常見行為。每次容器啟動或關閉時,橋接狀態都會發生變化。
它會影響沙發底座嗎?