[pve-devel] nf_conntrack: table full, dropping packet error

Alexandre DERUMIER aderumier at odiso.com
Mon Oct 10 12:27:34 CEST 2011


also 



cat /proc/net/nf_conntrack 


give me a lot of guest vm connections references... 


... 

ipv4 2 tcp 6 87 TIME_WAIT src=217.109.92.1 dst=10.1.31.220 sport=19132 dport=80 src=10.1.31.220 dst=217.109.92.1 sport=80 dport=19132 [ASSURED] mark=0 secmark=0 use=2 
ipv4 2 tcp 6 430860 ESTABLISHED src=82.124.207.13 dst=10.1.31.220 sport=62775 dport=80 src=10.1.31.220 dst=82.124.207.13 sport=80 dport=62775 [ASSURED] mark=0 secmark=0 use=2 
ipv4 2 tcp 6 117 TIME_WAIT src=10.1.31.25 dst=10.1.33.145 sport=11396 dport=30 src=10.1.33.145 dst=10.1.31.25 sport=30 dport=11396 [ASSURED] mark=0 secmark=0 use=2 
ipv4 2 tcp 6 25 TIME_WAIT src=86.73.246.208 dst=10.1.31.220 sport=51544 dport=80 src=10.1.31.220 dst=86.73.246.208 sport=80 dport=51544 [ASSURED] mark=0 secmark=0 use=2 
ipv4 2 tcp 6 7 TIME_WAIT src=10.1.31.180 dst=10.2.61.26 sport=46716 dport=3306 src=10.2.61.26 dst=10.1.31.180 sport=3306 dport=46716 [ASSURED] mark=0 secmark=0 use=2 
ipv4 2 tcp 6 2 TIME_WAIT src=41.224.178.3 dst=10.1.31.220 sport=51070 dport=80 src=10.1.31.220 dst=41.224.178.3 sport=80 dport=51070 [ASSURED] mark=0 secmark=0 use=2 
ipv4 2 tcp 6 89 TIME_WAIT src=194.167.196.49 dst=10.1.31.220 sport=4416 dport=80 src=10.1.31.220 dst=194.167.196.49 sport=80 dport=4416 [ASSURED] mark=0 secmark=0 use=2 
ipv4 2 tcp 6 5 CLOSE src=115.126.169.77 dst=10.1.31.220 sport=53069 dport=80 src=10.1.31.220 dst=115.126.169.77 sport=80 dport=53069 [ASSURED] mark=0 secmark=0 use=2 
ipv4 2 tcp 6 97 TIME_WAIT src=10.1.31.180 dst=10.2.61.26 sport=63674 dport=11211 src=10.2.61.26 dst=10.1.31.180 sport=11211 dport=63674 [ASSURED] mark=0 secmark=0 u^C 
... 


Can I safetly disable conntrack module on host ? 


----- Mail original -----

De: "Alexandre DERUMIER" <aderumier at odiso.com> 
À: pve-devel at pve.proxmox.com 
Envoyé: Lundi 10 Octobre 2011 12:23:35 
Objet: Re: [pve-devel] nf_conntrack: table full, dropping packet error 


forget to say : proxmox 1.9 

----- Mail original -----

De: "Alexandre DERUMIER" <aderumier at odiso.com> 
À: pve-devel at pve.proxmox.com 
Envoyé: Lundi 10 Octobre 2011 12:21:02 
Objet: [pve-devel] nf_conntrack: table full, dropping packet error 



Hi, 
This morning I see a lot of nf_conntrack error in /var/log/messages. 


Is it related to redhat kernel ? 
How can I disabled it ? 





kvm2:~# iptables -L 
Chain INPUT (policy ACCEPT) 
target prot opt source destination 


Chain FORWARD (policy ACCEPT) 
target prot opt source destination 


Chain OUTPUT (policy ACCEPT) 
target prot opt source destination 
kvm2:~# cat /var/log/messages 




Oct 10 11:55:23 kvm2 kernel: __ratelimit: 285 callbacks suppressed 
Oct 10 11:55:23 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:23 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:23 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:23 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:23 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:23 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:23 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:23 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:23 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:23 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:28 kvm2 kernel: __ratelimit: 107 callbacks suppressed 
Oct 10 11:55:28 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:28 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:28 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:28 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:28 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:28 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:28 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:28 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:28 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:28 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:35 kvm2 kernel: __ratelimit: 328 callbacks suppressed 
Oct 10 11:55:35 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:35 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:35 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:35 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:35 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:35 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:35 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:35 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:35 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:35 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:44 kvm2 kernel: __ratelimit: 83 callbacks suppressed 
Oct 10 11:55:44 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:44 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:44 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:44 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:44 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:44 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:44 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:44 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:44 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:44 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:51 kvm2 kernel: __ratelimit: 69 callbacks suppressed 
Oct 10 11:55:51 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:51 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:51 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:51 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:51 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:51 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:51 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:51 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:51 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:55:51 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:56:18 kvm2 kernel: __ratelimit: 190 callbacks suppressed 
Oct 10 11:56:18 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:56:18 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:56:18 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:56:18 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:56:18 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:56:18 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:56:18 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:56:18 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:56:18 kvm2 kernel: nf_conntrack: table full, dropping packet. 
Oct 10 11:56:18 kvm2 kernel: nf_conntrack: table full, dropping packet. 


-- 




	
	Alexandre Derumier 
Ingénieur système 
e-mail : aderumier at odiso.com 
Tél : +33 (0)3 20 68 88 90 
Fax : +33 (0)3 20 68 90 81 
45 Bvd du Général Leclerc 
59100 ROUBAIX - FRANCE 














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-- 




	
	Alexandre Derumier 
Ingénieur système 
e-mail : aderumier at odiso.com 
Tél : +33 (0)3 20 68 88 90 
Fax : +33 (0)3 20 68 90 81 
45 Bvd du Général Leclerc 
59100 ROUBAIX - FRANCE 














_______________________________________________ 
pve-devel mailing list 
pve-devel at pve.proxmox.com 
http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel 



-- 




	
	Alexandre Derumier 
Ingénieur système 
e-mail : aderumier at odiso.com 
Tél : +33 (0)3 20 68 88 90 
Fax : +33 (0)3 20 68 90 81 
45 Bvd du Général Leclerc 
59100 ROUBAIX - FRANCE 













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