[  839.871834][ T9422] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  839.966136][ T9423] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  840.069093][ T9424] br0: port 1(veth0) entered blocking state
[  840.069522][ T9424] br0: port 1(veth0) entered disabled state
[  840.069932][ T9424] veth0: entered allmulticast mode
[  840.071990][ T9424] veth0: entered promiscuous mode
[  840.165126][ T9425] br0: port 2(veth1) entered blocking state
[  840.165485][ T9425] br0: port 2(veth1) entered disabled state
[  840.165772][ T9425] veth1: entered allmulticast mode
[  840.167035][ T9425] veth1: entered promiscuous mode
[  840.743979][   T37] br0: port 1(veth0) entered blocking state
[  840.744364][   T37] br0: port 1(veth0) entered forwarding state
[  840.745566][   T37] br0: port 2(veth1) entered blocking state
[  840.745920][   T37] br0: port 2(veth1) entered forwarding state
[  841.801932][ T8886] bond0: (slave veth1): link status definitely up
[  841.802363][ T8886] bond0: (slave veth1): making interface the new active one
[  841.803735][ T8886] bond0: active interface up!
[  842.099224][ T8886] veth1: left allmulticast mode
[  842.099446][ T8886] veth1: left promiscuous mode
[  842.099743][ T8886] br0: port 2(veth1) entered disabled state
[  842.102064][ T8886] veth0: left allmulticast mode
[  842.102255][ T8886] veth0: left promiscuous mode
[  842.102675][ T8886] br0: port 1(veth0) entered disabled state
[  842.242859][ T8886] bond0: (slave veth1): Releasing backup interface
[  842.370747][ T8886] bond0: (slave veth0): Releasing backup interface
[  842.739472][ T8886] bond0 (unregistering): Released all slaves