Re: [libvirt] [PATCH] util: set error if DAD is not finished

On 10/29/2015 12:47 PM, Luyao Huang wrote: > If DAD not finished in 5 seconds, user will get an > unknown error like this: > > # virsh net-start ipv6 > error: Failed to start network ipv6 > error: An error occurred, but the cause is unknown > > Call virReportError to set an error. > > Signed-off-by: Luyao Huang <lhuang(a)redhat.com&gt; > --- > I found the DAD will take 7 seconds > on my machine, and i cannot create a network which > use ipv6 now :( . Can we offer a way allow user to change this > timeout ? maybe add a configuration file option in > libvirtd.conf. Could you please send the related records of your sysctl -a? Max DAD timeout should be rand() % net.ipv6.conf.default.router_solicitation_delay + net.ipv6.conf.default.dad_transmits * net.ipv6.neigh.default.retrans_time_ms I wonder whether my calculations were faulty or it is your specific configuration.