[  847.865294][ T9536] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  847.952920][ T9537] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  848.061892][ T9538] br0: port 1(veth0) entered blocking state
[  848.062174][ T9538] br0: port 1(veth0) entered disabled state
[  848.062411][ T9538] veth0: entered allmulticast mode
[  848.063855][ T9538] veth0: entered promiscuous mode
[  848.170700][ T9539] br0: port 2(veth1) entered blocking state
[  848.170983][ T9539] br0: port 2(veth1) entered disabled state
[  848.172087][ T9539] veth1: entered allmulticast mode
[  848.173361][ T9539] veth1: entered promiscuous mode
[  848.565263][ T8827] br0: port 1(veth0) entered blocking state
[  848.565596][ T8827] br0: port 1(veth0) entered forwarding state
[  848.566615][ T8827] br0: port 2(veth1) entered blocking state
[  848.566903][ T8827] br0: port 2(veth1) entered forwarding state
[  849.860446][ T8674] bond0: (slave veth1): link status definitely up
[  849.860877][ T8674] bond0: (slave veth1): making interface the new active one
[  849.861884][ T8674] bond0: active interface up!
[  850.361310][ T8674] veth1: left allmulticast mode
[  850.361519][ T8674] veth1: left promiscuous mode
[  850.361846][ T8674] br0: port 2(veth1) entered disabled state
[  850.364119][ T8674] veth0: left allmulticast mode
[  850.364304][ T8674] veth0: left promiscuous mode
[  850.364590][ T8674] br0: port 1(veth0) entered disabled state
[  850.518855][ T8674] bond0: (slave veth1): Releasing backup interface
[  850.667888][ T8674] bond0: (slave veth0): Releasing backup interface
[  851.045945][ T8674] bond0 (unregistering): Released all slaves