[  837.141019][ T9440] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.226505][ T9441] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.310709][ T9442] br0: port 1(veth0) entered blocking state
[  837.311015][ T9442] br0: port 1(veth0) entered disabled state
[  837.311297][ T9442] veth0: entered allmulticast mode
[  837.312522][ T9442] veth0: entered promiscuous mode
[  837.392044][ T9443] br0: port 2(veth1) entered blocking state
[  837.392337][ T9443] br0: port 2(veth1) entered disabled state
[  837.392586][ T9443] veth1: entered allmulticast mode
[  837.393799][ T9443] veth1: entered promiscuous mode
[  837.859470][   T39] br0: port 1(veth0) entered blocking state
[  837.859784][   T39] br0: port 1(veth0) entered forwarding state
[  837.860761][   T39] br0: port 2(veth1) entered blocking state
[  837.861024][   T39] br0: port 2(veth1) entered forwarding state
[  839.116956][   T68] bond0: (slave veth1): link status definitely up
[  839.117594][   T68] bond0: (slave veth1): making interface the new active one
[  839.119256][   T68] bond0: active interface up!
[  839.326074][ T8752] veth1: left allmulticast mode
[  839.326330][ T8752] veth1: left promiscuous mode
[  839.326633][ T8752] br0: port 2(veth1) entered disabled state
[  839.328793][ T8752] veth0: left allmulticast mode
[  839.329002][ T8752] veth0: left promiscuous mode
[  839.329331][ T8752] br0: port 1(veth0) entered disabled state
[  839.490839][ T8752] bond0: (slave veth1): Releasing backup interface
[  839.586415][ T8752] bond0: (slave veth0): Releasing backup interface
[  839.952460][ T8752] bond0 (unregistering): Released all slaves