[  833.943764][ T9455] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  834.037567][ T9456] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  834.127077][ T9457] br0: port 1(veth0) entered blocking state
[  834.127849][ T9457] br0: port 1(veth0) entered disabled state
[  834.128121][ T9457] veth0: entered allmulticast mode
[  834.129345][ T9457] veth0: entered promiscuous mode
[  834.218664][ T9458] br0: port 2(veth1) entered blocking state
[  834.219004][ T9458] br0: port 2(veth1) entered disabled state
[  834.219348][ T9458] veth1: entered allmulticast mode
[  834.220711][ T9458] veth1: entered promiscuous mode
[  834.649759][ T8900] br0: port 1(veth0) entered blocking state
[  834.650072][ T8900] br0: port 1(veth0) entered forwarding state
[  834.651043][ T8900] br0: port 2(veth1) entered blocking state
[  834.651291][ T8900] br0: port 2(veth1) entered forwarding state
[  835.904688][ T8580] bond0: (slave veth1): link status definitely up
[  835.905057][ T8580] bond0: (slave veth1): making interface the new active one
[  835.906175][ T8580] bond0: active interface up!
[  836.400040][ T8580] veth1: left allmulticast mode
[  836.400291][ T8580] veth1: left promiscuous mode
[  836.400647][ T8580] br0: port 2(veth1) entered disabled state
[  836.403844][ T8580] veth0: left allmulticast mode
[  836.404114][ T8580] veth0: left promiscuous mode
[  836.404573][ T8580] br0: port 1(veth0) entered disabled state
[  836.576403][ T8580] bond0: (slave veth1): Releasing backup interface
[  836.792690][ T8580] bond0: (slave veth0): Releasing backup interface
[  837.227608][ T8580] bond0 (unregistering): Released all slaves