[WARNING] 122/104440 (4271) : Server http-servers/cook1 is DOWN, reason: Layer4 timeout, check duration: 2001ms.


$ sudo tcpdump -nlAS -vvv -s 0 -i br1 host X.X.X.X
tcpdump: listening on br1, link-type EN10MB (Ethernet), capture size 65535 bytes
11:11:27.588715 IP (tos 0x0, ttl 64, id 28055, offset 0, flags [DF], proto TCP (6), length 60)
    172.22.0.222.49918 > X.X.X.X.80: Flags [S], cksum 0xe87a (incorrect -> 0x66d7), seq 2330027297, win 14600, options [mss 1460,sackOK,TS val 63768758 ecr 0,nop,wscale 7], length 0
E..<m.@.@.......Y..B...P..e!......9..z.........
............
11:11:27.589261 IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto TCP (6), length 60)
    X.X.X.X.80 > 172.22.0.222.49918: Flags [S.], cksum 0xf633 (correct), seq 2358407886, ack 2330027298, win 14480, options [mss 1460,sackOK,TS val 42102568 ecr 63768758,nop,wscale 6], length 0
E..<..@.?.SpY..B.....P....r...e"..8..3.........
..o(........
11:11:27.589309 IP (tos 0x0, ttl 64, id 28056, offset 0, flags [DF], proto TCP (6), length 52)
    172.22.0.222.49918 > X.X.X.X.80: Flags [.], cksum 0xe872 (incorrect -> 0x5d1c), seq 2330027298, ack 2358407887, win 115, options [nop,nop,TS val 63768758 ecr 42102568], length 0
E..4m.@.@.......Y..B...P..e"..r....s.r.....
......o(
11:11:27.589450 IP (tos 0x0, ttl 64, id 28057, offset 0, flags [DF], proto TCP (6), length 527)
    172.22.0.222.49918 > X.X.X.X.80: Flags [P.], cksum 0xea4d (incorrect -> 0x0f7c), seq 2330027298:2330027773, ack 2358407887, win 115, options [nop,nop,TS val 63768758 ecr 42102568], length 475
E...m.@.@.......Y..B...P..e"..r....s.M.....
......o(GET /oowahboh6eibooca HTTP/1.1
Host: X.X.X.X
Connection: keep-alive
Cache-Control: max-age=0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.22 (KHTML, like Gecko) Ubuntu Chromium/25.0.1364.160 Chrome/25.0.1364.160 Safari/537.22
Accept-Encoding: gzip,deflate,sdch
Accept-Language: en-GB,en-US;q=0.8,en;q=0.6
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3
Cookie: apps=apps1


11:11:27.589806 IP (tos 0x0, ttl 63, id 7655, offset 0, flags [DF], proto TCP (6), length 71)
    X.X.X.X.80 > 172.22.0.222.49918: Flags [F.], cksum 0x92c6 (correct), seq 2358407887:2358407906, ack 2330027298, win 227, options [nop,nop,TS val 42102568 ecr 63768758], length 19
E..G..@.?.5~Y..B.....P....r...e"...........
..o(....HTTP/1.0 200 OK