This link might be useful for you to debug this problem. Kindly have a look , and see if it helps -
http://www.linux-kvm.com/content/using-bridged-networking-virt-manager Thanks & Regards, Pranav -----Original Message----- From: Ahmad Saif [mailto:[email protected]] Sent: Sunday, July 22, 2012 1:25 PM To: [email protected] Subject: Re: Failed to add tap interface Please find the Host and mgmt server logs attached thanks On 07/19/2012 08:10 PM, Edison Su wrote: > Do you have more logs, both mgt server log and agent log? > I put a wiki page about how to debug KVM issues: > http://wiki.cloudstack.org/display/COMM/KVM+agent+debug > >> -----Original Message----- >> From: Ahmad Saif [mailto:[email protected]] >> Sent: Thursday, July 19, 2012 12:59 AM >> To: [email protected] >> Subject: Failed to add tap interface >> >> Hello there, >> >> I've problem starting one of my instances, and I got very weird error >> "Failed to add tap interface' >> I've tried to restart the hypervisor, and force reconnect it but with >> no luck at all, >> >> Here is a error form the log file: >> >> WARN [cloud.vm.VirtualMachineManagerImpl] >> (AgentManager-Handler-48:null) Cleanup failed due to Failed to add >> tap interface to bridge 'cloudVirBr306': No such device DEBUG >> [agent.manager.AgentAttache] (AgentManager-Handler-48:null) Seq >> 11-2002067480: No more commands found DEBUG [agent.transport.Request] >> (Job-Executor-23:job-233) Seq >> 11-2002067480: Received: { Ans: , MgmtId: 20792849212874, via: 11, Ver: >> v1, Flags: 110, { StartAnswer } } >> WARN [cloud.vm.VirtualMachineManagerImpl] (Job-Executor-23:job-233) >> Cleanup failed due to Failed to add tap interface to bridge >> 'cloudVirBr306': No such device >> INFO [cloud.vm.VirtualMachineManagerImpl] (Job-Executor-23:job-233) >> Unable to start VM on Host[-11-Routing] due to Failed to add tap >> interface to bridge 'cloudVirBr306': No such device >> >> >> Have any one faced issue like this before ? >> >> -- >> Thanks
