After migration to Centos 6.5 we got regression in network setup stage.
Sometimes interface-up process got huge time.
On centos It looks like:
Notice: /Stage[netconfig]/Advanced_node_netconfig/L23network::L2::Bridge[br-eth1]/L2_ovs_bridge[br-eth1]/ensure: created
Debug: /Stage[netconfig]/Advanced_node_netconfig/L23network::L2::Bridge[br-eth1]/L2_ovs_bridge[br-eth1]: The container L23network::L2::Bridge[br-eth1] will propagate my refr
esh event
Debug: L23network::L2::Bridge[br-eth1]: The container Class[Advanced_node_netconfig] will propagate my refresh event
Debug: Executing '/usr/bin/ovs-vsctl list-ports br-eth1'
Debug: Executing '/usr/bin/ovs-vsctl port-to-br eth1'
Debug: Executing '/usr/bin/ovs-vsctl add-port br-eth1 eth1'
Notice: /Stage[netconfig]/Advanced_node_netconfig/L23network::L2::Port[eth1]/L2_ovs_port[eth1]/ensure: created
Debug: /Stage[netconfig]/Advanced_node_netconfig/L23network::L2::Port[eth1]/L2_ovs_port[eth1]: The container L23network::L2::Port[eth1] will propagate my refresh event
Debug: L23network::L2::Port[eth1]: The container Class[Advanced_node_netconfig] will propagate my refresh event
Debug: Executing '/usr/bin/ovs-vsctl br-exists br-bond23'
Debug: Executing '/usr/bin/ovs-vsctl br-exists br-bond23'
Notice: L2_ovs_bridge[br-bond23](provider=ovs): Bridge 'br-bond23' not exists, creating...
Debug: Executing '/usr/bin/ovs-vsctl add-br br-bond23'
Notice: L2_ovs_bridge[br-bond23](provider=ovs): bridge 'br-bond23' created.
Notice: /Stage[netconfig]/Advanced_node_netconfig/L23network::L2::Bridge[br-bond23]/L2_ovs_bridge[br-bond23]/ensure: created
Debug: /Stage[netconfig]/Advanced_node_netconfig/L23network::L2::Bridge[br-bond23]/L2_ovs_bridge[br-bond23]: The container L23network::L2::Bridge[br-bond23] will propagate my refresh event
Debug: L23network::L2::Bridge[br-bond23]: The container Class[Advanced_node_netconfig] will propagate my refresh event
Debug: Executing '/usr/bin/ovs-vsctl br-exists br-ex'
Debug: Executing '/usr/bin/ovs-vsctl br-exists br-ex'
Notice: L2_ovs_bridge[br-ex](provider=ovs): Bridge 'br-ex' not exists, creating...
Debug: Executing '/usr/bin/ovs-vsctl add-br br-ex'
Notice: L2_ovs_bridge[br-ex](provider=ovs): bridge 'br-ex' created.
Notice: /Stage[netconfig]/Advanced_node_netconfig/L23network::L2::Bridge[br-ex]/L2_ovs_bridge[br-ex]/ensure: created
Debug: /Stage[netconfig]/Advanced_node_netconfig/L23network::L2::Bridge[br-ex]/L2_ovs_bridge[br-ex]: The container L23network::L2::Bridge[br-ex] will propagate my refresh event
Debug: L23network::L2::Bridge[br-ex]: The container Class[Advanced_node_netconfig] will propagate my refresh event
Debug: Executing '/usr/bin/ovs-vsctl br-exists br-mgmt'
Debug: Executing '/usr/bin/ovs-vsctl br-exists br-mgmt'
Notice: L2_ovs_bridge[br-mgmt](provider=ovs): Bridge 'br-mgmt' not exists, creating...
Debug: Executing '/usr/bin/ovs-vsctl add-br br-mgmt'
Notice: L2_ovs_bridge[br-mgmt](provider=ovs): bridge 'br-mgmt' created.
Write failed: Broken pipe
13:11:57 (xenolog@primus) ~
$
Also it may afects Ubuntu.
