[  833.588981][ T9438] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  833.706055][ T9439] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  833.792050][ T9440] br0: port 1(veth0) entered blocking state
[  833.792320][ T9440] br0: port 1(veth0) entered disabled state
[  833.792564][ T9440] veth0: entered allmulticast mode
[  833.793722][ T9440] veth0: entered promiscuous mode
[  833.885065][ T9441] br0: port 2(veth1) entered blocking state
[  833.885475][ T9441] br0: port 2(veth1) entered disabled state
[  833.885867][ T9441] veth1: entered allmulticast mode
[  833.887940][ T9441] veth1: entered promiscuous mode
[  834.322780][   T55] br0: port 1(veth0) entered blocking state
[  834.323028][   T55] br0: port 1(veth0) entered forwarding state
[  834.324060][   T55] br0: port 2(veth1) entered blocking state
[  834.324298][   T55] br0: port 2(veth1) entered forwarding state
[  835.585675][ T3955] bond0: (slave veth1): link status definitely up
[  835.586164][ T3955] bond0: (slave veth1): making interface the new active one
[  835.595015][ T3955] bond0: active interface up!
[  835.910408][ T3955] veth1: left allmulticast mode
[  835.910614][ T3955] veth1: left promiscuous mode
[  835.910904][ T3955] br0: port 2(veth1) entered disabled state
[  835.912891][ T3955] veth0: left allmulticast mode
[  835.913072][ T3955] veth0: left promiscuous mode
[  835.913362][ T3955] br0: port 1(veth0) entered disabled state
[  836.083865][ T3955] bond0: (slave veth1): Releasing backup interface
[  836.205425][ T3955] bond0: (slave veth0): Releasing backup interface
[  836.585544][ T3955] bond0 (unregistering): Released all slaves