Hi, <div>   <span style="line-height: 1.5; font-size: 14px;">Create two virtual machines with </span><span style="line-height: 1.5; font-size: 14px;">specify the same vlan(</span><span style="font-size: 14px; line-height: 1.5;">802.1q network mode</span><span style="line-height: 1.5; font-size: 14px;">)</span><span style="line-height: 1.5; font-size: 14px;">£¬ </span><span style="line-height: 1.5; font-size: 14px;">but o</span><span style="line-height: 1.5; font-size: 14px;">nly a virtual machine boot successfully. The problem may be </span><span style="line-height: 1.5; font-size: 14px;">caused by concurrent to create bridge.</span></div><div>Please see the virtual machine log as follows:</div><div><span style="font-size: 12px; line-height: 1.5; text-align: -webkit-auto; font-family: ΞΆΘνΡΕΊΪ; orphans: 2; widows: 2;">Wed Apr 24 15:01:20 2013 [DiM][I]: New VM state is ACTIVE.</span></div><div><div style="font-family: ΞΆΘνΡΕΊΪ; font-size: 16px; line-height: normal; orphans: 2; text-align: -webkit-auto; widows: 2;"><span style="font-size: 12px; "><div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:01:21 2013 [LCM][I]: New VM state is PROLOG.</span></div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:03:23 2013 [TM][I]: clone: Downloading http://192.168.39.24/opt/nebula/images/rhel_5.5_x86_64_newsh.qcow2 into /one_images/0/258/disk.0</span></div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:03:23 2013 [TM][I]: ExitCode: 0</span></div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:03:23 2013 [TM][I]: context: Generating context block device at 192.168.39.24:/one_images/0/258/disk.1</span></div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:03:23 2013 [TM][I]: ExitCode: 0</span></div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:03:23 2013 [LCM][I]: New VM state is BOOT</span></div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:03:23 2013 [VMM][I]: Generating deployment file: /opt/nebula/ONE/var/258/deployment.0</span></div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:03:25 2013 [VMM][I]: pre: Executed "sudo /sbin/brctl addbr onebr1069".</span></div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:03:25 2013 [VMM][I]: pre: Executed "sudo /sbin/ip link set onebr1069 up".</span></div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:03:25 2013 [VMM][I]: Device "eth0.1069" does not exist.</span></div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:03:25 2013 [VMM][I]: pre: Executed "sudo /sbin/vconfig add eth0 1069".</span></div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:03:25 2013 [VMM][I]: pre: Executed "sudo /sbin/ip link set eth0.1069 up".</span></div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:03:25 2013 [VMM][I]: pre: Executed "sudo /sbin/brctl addif onebr1069 eth0.1069".</span></div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:03:25 2013 [VMM][I]: ExitCode: 0</span></div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:03:25 2013 [VMM][I]: Successfully execute network driver operation: pre.</span></div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:03:30 2013 [VMM][I]: ExitCode: 0</span></div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:03:30 2013 [VMM][I]: Successfully execute virtualization driver operation: deploy.</span></div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:03:30 2013 [VMM][I]: ExitCode: 0</span></div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:03:30 2013 [VMM][I]: Successfully execute network driver operation: post.</span></div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:03:30 2013 [LCM][I]: New VM state is RUNNING</span></div><div style="font-size: 16px; line-height: normal; text-align: -webkit-auto;"><span style="font-size: 12px; ">Wed Apr 24 15:04:44 2013 [VMM][I]: ExitCode: 0</span></div></div><div><br></div><div><span style="font-family: Verdana; font-size: 13.63636302947998px; line-height: 19.09090805053711px; orphans: auto; widows: auto;">Please see the virtual machine failure log as follows:</span></div><div><span style="line-height: 1.5; font-size: 12px; text-align: -webkit-auto;">Wed Apr 24 15:01:52 2013 [DiM][I]: New VM state is ACTIVE.</span></div><div><div>Wed Apr 24 15:01:52 2013 [LCM][I]: New VM state is PROLOG.</div><div>Wed Apr 24 15:03:23 2013 [TM][I]: clone: Downloading http://192.168.39.24/opt/nebula/images/rhel_5.5_x86_64_newsh.qcow2 into /one_images/0/260/disk.0</div><div>Wed Apr 24 15:03:23 2013 [TM][I]: ExitCode: 0</div><div>Wed Apr 24 15:03:23 2013 [TM][I]: context: Generating context block device at 192.168.39.24:/one_images/0/260/disk.1</div><div>Wed Apr 24 15:03:23 2013 [TM][I]: ExitCode: 0</div><div>Wed Apr 24 15:03:23 2013 [LCM][I]: New VM state is BOOT</div><div>Wed Apr 24 15:03:23 2013 [VMM][I]: Generating deployment file: /opt/nebula/ONE/var/260/deployment.0</div><div>Wed Apr 24 15:03:25 2013 [VMM][I]: Command execution fail: /var/tmp/one/vnm/802.1Q/pre 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</div><div>Wed Apr 24 15:03:25 2013 [VMM][E]: pre: Command "sudo /sbin/brctl addbr onebr1069" failed.</div><div>Wed Apr 24 15:03:25 2013 [VMM][E]: pre: device onebr1069 already exists; can't create bridge with the same name</div><div>Wed Apr 24 15:03:25 2013 [VMM][E]: device onebr1069 already exists; can't create bridge with the same name</div><div>Wed Apr 24 15:03:25 2013 [VMM][E]: </div><div>Wed Apr 24 15:03:25 2013 [VMM][I]: ExitCode: 1</div><div>Wed Apr 24 15:03:25 2013 [VMM][I]: Failed to execute network driver operation: pre.</div><div>Wed Apr 24 15:03:25 2013 [VMM][E]: Error deploying virtual machine: device onebr1069 already exists; can't create bridge with the same name</div><div>Wed Apr 24 15:03:25 2013 [DiM][I]: New VM state is FAILED</div></div></span></div><br class="Apple-interchange-newline"></div><div><br></div><div>Looking foward to your replay, thanks!</div><div><br></div><div>Regards!</div><div>David.</div><div><span style="line-height: 1.5; font-size: 14px;">  </span></div><div><span style="line-height: 1.5; font-size: 14px;"><br></span></div><div><span style="line-height: 1.5; font-size: 14px;"><br></span></div><div><br></div><div><br></div><div><br></div>