<p dir="ltr">I filed a bug about this at:</p> <p dir="ltr"><a href="<a href="https://bugzilla.redhat.com/show_bug.cgi?id=1252780">https://bugzilla.redhat.com/show_bug.cgi?id=1252780</a>"><a href="https://bugzilla.redhat.com/show_bug.cgi?id=1252780">https://bugzilla.redhat.com/show_bug.cgi?id=1252780</a></a></p> <p dir="ltr">Dropping back to libvirt-1.2.2 fixed it for me, but there was no answer to the bug report.</p> <p dir="ltr">Sent from my Sony Xperia™ smartphone</p> <br><br>---- chenhongzhen@zhicloud.com wrote ----<br><br><SPAN style="WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; LETTER-SPACING: normal; DISPLAY: inline !important; FONT: 13px Verdana, Arial, Helvetica, sans-serif; WHITE-SPACE: normal; FLOAT: none; COLOR: rgb(0,0,0); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px"> <DIV>Hi, All!</DIV> <DIV> </DIV> <DIV style="TEXT-INDENT: 2em">I found a bug!</DIV> <DIV style="TEXT-INDENT: 2em">When I start the default network, I got a error shown as below:</DIV> <DIV> </DIV> <BLOCKQUOTE style="MARGIN-RIGHT: 0px" dir=ltr> <DIV>[root@localhost ~]# virsh net-start default</DIV> <DIV>error: Failed to start network default</DIV> <DIV>error: error creating bridge interface virbr0: Operation not supported</DIV> <DIV> </DIV> <DIV>snapshot:</DIV> <DIV> </DIV> <DIV><IMG border=0 src="cid:_Foxmail.0@2C6F41EE-5734-4B16-A0A1-1440F2542D2E"></DIV> <DIV> </DIV> <DIV><IMG border=0 src="cid:_Foxmail.1@0B79AE5D-FC04-4D14-B6B8-39F56996E90D"></DIV></BLOCKQUOTE></SPAN> <DIV><SPAN style="WIDOWS: 1; 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