[  903.971374][ T9749] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  904.064107][ T9750] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  904.161320][ T9751] br0: port 1(veth0) entered blocking state
[  904.161657][ T9751] br0: port 1(veth0) entered disabled state
[  904.161928][ T9751] veth0: entered allmulticast mode
[  904.163162][ T9751] veth0: entered promiscuous mode
[  904.259629][ T9752] br0: port 2(veth1) entered blocking state
[  904.259925][ T9752] br0: port 2(veth1) entered disabled state
[  904.260188][ T9752] veth1: entered allmulticast mode
[  904.261470][ T9752] veth1: entered promiscuous mode
[  904.669222][   T44] br0: port 1(veth0) entered blocking state
[  904.669611][   T44] br0: port 1(veth0) entered forwarding state
[  904.671116][   T44] br0: port 2(veth1) entered blocking state
[  904.671444][   T44] br0: port 2(veth1) entered forwarding state
[  905.924787][ T8961] bond0: (slave veth1): link status definitely up
[  905.925268][ T8961] bond0: (slave veth1): making interface the new active one
[  905.926602][ T8961] bond0: active interface up!
[  906.382997][ T8961] veth1: left allmulticast mode
[  906.383246][ T8961] veth1: left promiscuous mode
[  906.383581][ T8961] br0: port 2(veth1) entered disabled state
[  906.385964][ T8961] veth0: left allmulticast mode
[  906.386176][ T8961] veth0: left promiscuous mode
[  906.386485][ T8961] br0: port 1(veth0) entered disabled state
[  906.540384][ T8961] bond0: (slave veth1): Releasing backup interface
[  906.632872][ T8961] bond0: (slave veth0): Releasing backup interface
[  907.083102][ T8961] bond0 (unregistering): Released all slaves