[  858.885629][ T9389] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  858.975003][ T9390] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  859.061029][ T9391] br0: port 1(veth0) entered blocking state
[  859.062198][ T9391] br0: port 1(veth0) entered disabled state
[  859.062697][ T9391] veth0: entered allmulticast mode
[  859.063977][ T9391] veth0: entered promiscuous mode
[  859.176477][ T9392] br0: port 2(veth1) entered blocking state
[  859.176758][ T9392] br0: port 2(veth1) entered disabled state
[  859.177004][ T9392] veth1: entered allmulticast mode
[  859.179177][ T9392] veth1: entered promiscuous mode
[  859.618449][ T4550] br0: port 1(veth0) entered blocking state
[  859.618809][ T4550] br0: port 1(veth0) entered forwarding state
[  859.620265][ T4550] br0: port 2(veth1) entered blocking state
[  859.620571][ T4550] br0: port 2(veth1) entered forwarding state
[  860.825671][ T8646] bond0: (slave veth1): link status definitely up
[  860.826165][ T8646] bond0: (slave veth1): making interface the new active one
[  860.827489][ T8646] bond0: active interface up!
[  861.313415][ T8646] veth1: left allmulticast mode
[  861.313666][ T8646] veth1: left promiscuous mode
[  861.314022][ T8646] br0: port 2(veth1) entered disabled state
[  861.316095][ T8646] veth0: left allmulticast mode
[  861.316388][ T8646] veth0: left promiscuous mode
[  861.316696][ T8646] br0: port 1(veth0) entered disabled state
[  861.490912][ T8646] bond0: (slave veth1): Releasing backup interface
[  861.667670][ T8646] bond0: (slave veth0): Releasing backup interface
[  862.054440][ T8646] bond0 (unregistering): Released all slaves