<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Verdana; font-size: 10pt; color: #000000'>ok, i found the problem<div><br></div><div><a href="https://bugzilla.redhat.com/show_bug.cgi?id=512206">https://bugzilla.redhat.com/show_bug.cgi?id=512206</a></div><div><br></div><div>so add</div><div><div><br></div><div>net.bridge.bridge-nf-call-ip6tables = 0</div><div>net.bridge.bridge-nf-call-iptables = 0</div><div>net.bridge.bridge-nf-call-arptables = 0</div><div><br></div><div>to /etc/sysctl.conf</div><div><br></div><div> correct the problem.</div><div><br></div><div><br></div><div>I don't know if it's related to redhat kernel, but i didn't have see this problem before. </div><div><br></div><div>Maybe it can be add by default to proxmox installer?</div><div><br></div><br><hr id="zwchr"><div style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>De: </b>"Alexandre DERUMIER" <aderumier@odiso.com><br><b>À: </b>pve-devel@pve.proxmox.com<br><b>Envoyé: </b>Lundi 10 Octobre 2011 12:27:34<br><b>Objet: </b>Re: [pve-devel] nf_conntrack: table full, dropping packet error<br><br><style>p { margin: 0; }</style><div style="font-family: Verdana; font-size: 10pt; color: #000000">also<div><br></div><div><div>cat /proc/net/nf_conntrack</div><div><br></div><div>give me a lot of guest vm connections references...</div><div><br></div><div>...</div><div><div>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</div><div>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</div><div>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</div><div>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</div><div>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</div><div>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</div><div>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</div><div>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</div><div>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</div></div><div>...</div><div><br></div><div>Can I safetly disable conntrack module on host ?</div><div><br></div><br><hr id="zwchr"><div style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>De: </b>"Alexandre DERUMIER" <aderumier@odiso.com><br><b>À: </b>pve-devel@pve.proxmox.com<br><b>Envoyé: </b>Lundi 10 Octobre 2011 12:23:35<br><b>Objet: </b>Re: [pve-devel] nf_conntrack: table full, dropping packet error<br><br><style>p { margin: 0; }</style><div style="font-family: Verdana; font-size: 10pt; color: #000000">forget to say : proxmox 1.9<br><br><hr id="zwchr"><div style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>De: </b>"Alexandre DERUMIER" <aderumier@odiso.com><br><b>À: </b>pve-devel@pve.proxmox.com<br><b>Envoyé: </b>Lundi 10 Octobre 2011 12:21:02<br><b>Objet: </b>[pve-devel] nf_conntrack: table full, dropping packet error<br><br><style>p { margin: 0; }</style><div style="font-family: Verdana; font-size: 10pt; color: #000000"><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Hi, </div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">This morning I see a lot of nf_conntrack error in /var/log/messages.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; "><br></div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Is it related to redhat kernel ?</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">How can I disabled it ?</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; "><br></div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; "><br></div><div><div><font class="Apple-style-span" face="Verdana" size="2">kvm2:~# iptables -L</font></div><div><font class="Apple-style-span" face="Verdana" size="2">Chain INPUT (policy ACCEPT)</font></div><div><font class="Apple-style-span" face="Verdana" size="2">target prot opt source destination </font></div><div><font class="Apple-style-span" face="Verdana" size="2"><br></font></div><div><font class="Apple-style-span" face="Verdana" size="2">Chain FORWARD (policy ACCEPT)</font></div><div><font class="Apple-style-span" face="Verdana" size="2">target prot opt source destination </font></div><div><font class="Apple-style-span" face="Verdana" size="2"><br></font></div><div><font class="Apple-style-span" face="Verdana" size="2">Chain OUTPUT (policy ACCEPT)</font></div><div><font class="Apple-style-span" face="Verdana" size="2">target prot opt source destination </font></div><div><font class="Apple-style-span" face="Verdana" size="2">kvm2:~# cat /var/log/messages</font></div></div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; "><br></div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; "><br></div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:23 kvm2 kernel: __ratelimit: 285 callbacks suppressed</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:23 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:23 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:23 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:23 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:23 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:23 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:23 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:23 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:23 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:23 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:28 kvm2 kernel: __ratelimit: 107 callbacks suppressed</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:28 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:28 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:28 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:28 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:28 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:28 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:28 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:28 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:28 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:28 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:35 kvm2 kernel: __ratelimit: 328 callbacks suppressed</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:35 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:35 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:35 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:35 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:35 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:35 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:35 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:35 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:35 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:35 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:44 kvm2 kernel: __ratelimit: 83 callbacks suppressed</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:44 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:44 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:44 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:44 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:44 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:44 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:44 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:44 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:44 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:44 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:51 kvm2 kernel: __ratelimit: 69 callbacks suppressed</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:51 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:51 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:51 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:51 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:51 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:51 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:51 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:51 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:51 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:55:51 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:56:18 kvm2 kernel: __ratelimit: 190 callbacks suppressed</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:56:18 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:56:18 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:56:18 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:56:18 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:56:18 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:56:18 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:56:18 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:56:18 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:56:18 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; ">Oct 10 11:56:18 kvm2 kernel: nf_conntrack: table full, dropping packet.</div><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; "><br></div><br><font class="Apple-style-span" face="Verdana" size="2">-- </font><br><div style="color: rgb(0, 0, 0); font-family: Verdana; font-size: 10pt; "><span></span><p><br></p><table align="left" border="0" cellpadding="0">
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