Problème de déconnection reconnection interface réseaux

Bonjour,

Je tourne avec un serveur xen, celui-ci semble avoir un problème qui m’empêche de surfer, ou de passer un appelle sans coupure via asterisk (qui tourne sur un domU).

Voici ce que on peux trouver dans les logs

May 11 09:30:13 server-xen kernel: [ 4389.953428] r8169: peth0: link up May 11 09:30:13 server-xen kernel: [ 4389.954385] eth0: port 1(peth0) entering learning state May 11 09:30:13 server-xen kernel: [ 4389.957616] eth0: topology change detected, propagating May 11 09:30:13 server-xen kernel: [ 4389.957717] eth0: port 1(peth0) entering forwarding state May 11 09:30:15 server-xen kernel: [ 4391.062070] r8169: peth0: link down May 11 09:30:15 server-xen kernel: [ 4391.073943] eth0: port 1(peth0) entering disabled state May 11 09:30:17 server-xen kernel: [ 4393.429594] r8169: peth0: link up May 11 09:30:17 server-xen kernel: [ 4393.430713] eth0: port 1(peth0) entering learning state May 11 09:30:17 server-xen kernel: [ 4393.434071] eth0: topology change detected, propagating May 11 09:30:17 server-xen kernel: [ 4393.434174] eth0: port 1(peth0) entering forwarding state May 11 09:30:55 server-xen kernel: [ 4431.156584] r8169: peth0: link down May 11 09:30:55 server-xen kernel: [ 4431.170881] eth0: port 1(peth0) entering disabled state May 11 09:31:10 server-xen kernel: [ 4446.389159] r8169: peth0: link up May 11 09:31:10 server-xen kernel: [ 4446.390301] eth0: port 1(peth0) entering learning state May 11 09:31:10 server-xen kernel: [ 4446.394437] eth0: topology change detected, propagating May 11 09:31:10 server-xen kernel: [ 4446.394542] eth0: port 1(peth0) entering forwarding state May 11 09:32:23 server-xen kernel: [ 4519.328309] r8169: peth0: link down May 11 09:32:23 server-xen kernel: [ 4519.334299] eth0: port 1(peth0) entering disabled state May 11 09:32:44 server-xen kernel: [ 4540.823920] r8169: peth0: link up May 11 09:32:44 server-xen kernel: [ 4540.825050] eth0: port 1(peth0) entering learning state May 11 09:32:44 server-xen kernel: [ 4540.826130] eth0: topology change detected, propagating May 11 09:32:44 server-xen kernel: [ 4540.826231] eth0: port 1(peth0) entering forwarding state

Avez-vous des pistes ?

Merci d’avance.