[  849.579876][ T9796] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  849.686946][ T9797] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  849.792556][ T9798] br0: port 1(veth0) entered blocking state
[  849.792946][ T9798] br0: port 1(veth0) entered disabled state
[  849.793366][ T9798] veth0: entered allmulticast mode
[  849.795354][ T9798] veth0: entered promiscuous mode
[  849.897118][ T9799] br0: port 2(veth1) entered blocking state
[  849.897407][ T9799] br0: port 2(veth1) entered disabled state
[  849.897666][ T9799] veth1: entered allmulticast mode
[  849.898894][ T9799] veth1: entered promiscuous mode
[  850.289347][  T155] br0: port 1(veth0) entered blocking state
[  850.289683][  T155] br0: port 1(veth0) entered forwarding state
[  850.290751][  T155] br0: port 2(veth1) entered blocking state
[  850.291031][  T155] br0: port 2(veth1) entered forwarding state
[  851.548088][ T8682] bond0: (slave veth1): link status definitely up
[  851.548580][ T8682] bond0: (slave veth1): making interface the new active one
[  851.549958][ T8682] bond0: active interface up!
[  852.035262][   T12] veth1: left allmulticast mode
[  852.035512][   T12] veth1: left promiscuous mode
[  852.035841][   T12] br0: port 2(veth1) entered disabled state
[  852.038361][   T12] veth0: left allmulticast mode
[  852.038576][   T12] veth0: left promiscuous mode
[  852.038920][   T12] br0: port 1(veth0) entered disabled state
[  852.240856][   T12] bond0: (slave veth1): Releasing backup interface
[  852.448728][   T12] bond0: (slave veth0): Releasing backup interface
[  852.844243][   T12] bond0 (unregistering): Released all slaves