[  869.699273][ T9587] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  869.806603][ T9588] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  869.904764][ T9589] br0: port 1(veth0) entered blocking state
[  869.905267][ T9589] br0: port 1(veth0) entered disabled state
[  869.905657][ T9589] veth0: entered allmulticast mode
[  869.908639][ T9589] veth0: entered promiscuous mode
[  870.004588][ T9590] br0: port 2(veth1) entered blocking state
[  870.004882][ T9590] br0: port 2(veth1) entered disabled state
[  870.005502][ T9590] veth1: entered allmulticast mode
[  870.006718][ T9590] veth1: entered promiscuous mode
[  870.436084][   T38] br0: port 1(veth0) entered blocking state
[  870.436450][   T38] br0: port 1(veth0) entered forwarding state
[  870.437881][   T38] br0: port 2(veth1) entered blocking state
[  870.438238][   T38] br0: port 2(veth1) entered forwarding state
[  871.691855][ T8531] bond0: (slave veth1): link status definitely up
[  871.692468][ T8531] bond0: (slave veth1): making interface the new active one
[  871.693894][ T8531] bond0: active interface up!
[  872.142784][ T8531] veth1: left allmulticast mode
[  872.143082][ T8531] veth1: left promiscuous mode
[  872.143612][ T8531] br0: port 2(veth1) entered disabled state
[  872.147907][ T8531] veth0: left allmulticast mode
[  872.148197][ T8531] veth0: left promiscuous mode
[  872.148618][ T8531] br0: port 1(veth0) entered disabled state
[  872.324252][ T8531] bond0: (slave veth1): Releasing backup interface
[  872.486899][ T8531] bond0: (slave veth0): Releasing backup interface
[  872.859287][ T8531] bond0 (unregistering): Released all slaves