[  855.209700][ T9700] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  855.299211][ T9701] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  855.398726][ T9702] br0: port 1(veth0) entered blocking state
[  855.399007][ T9702] br0: port 1(veth0) entered disabled state
[  855.399280][ T9702] veth0: entered allmulticast mode
[  855.400527][ T9702] veth0: entered promiscuous mode
[  855.525706][ T9703] br0: port 2(veth1) entered blocking state
[  855.526092][ T9703] br0: port 2(veth1) entered disabled state
[  855.526376][ T9703] veth1: entered allmulticast mode
[  855.527604][ T9703] veth1: entered promiscuous mode
[  855.917789][   T40] br0: port 1(veth0) entered blocking state
[  855.918094][   T40] br0: port 1(veth0) entered forwarding state
[  855.919219][   T40] br0: port 2(veth1) entered blocking state
[  855.919470][   T40] br0: port 2(veth1) entered forwarding state
[  857.158630][ T8793] bond0: (slave veth1): link status definitely up
[  857.159132][ T8793] bond0: (slave veth1): making interface the new active one
[  857.161211][ T8793] bond0: active interface up!
[  857.390371][ T8793] veth1: left allmulticast mode
[  857.390600][ T8793] veth1: left promiscuous mode
[  857.390911][ T8793] br0: port 2(veth1) entered disabled state
[  857.393478][ T8793] veth0: left allmulticast mode
[  857.393677][ T8793] veth0: left promiscuous mode
[  857.393967][ T8793] br0: port 1(veth0) entered disabled state
[  857.568136][ T8793] bond0: (slave veth1): Releasing backup interface
[  857.697495][ T8793] bond0: (slave veth0): Releasing backup interface
[  858.067727][ T8793] bond0 (unregistering): Released all slaves