yes you are right. delay was due to dhcp request.
i saw incorrect path in the log : Feb 11 06:36:44 localhost dhclient: can't create /var/lib/dhcp3/dhclient.eth0.leases: No such file or directory real path is /var/lib/dhcp -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to lxc in Ubuntu. https://bugs.launchpad.net/bugs/930116 Title: lxc slow start & unexpectedly disconnected from boot status daemon To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/930116/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs