[  833.647306][ T9259] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  833.750149][ T9260] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  833.827891][ T9261] br0: port 1(veth0) entered blocking state
[  833.828169][ T9261] br0: port 1(veth0) entered disabled state
[  833.828549][ T9261] veth0: entered allmulticast mode
[  833.829780][ T9261] veth0: entered promiscuous mode
[  833.924980][ T9262] br0: port 2(veth1) entered blocking state
[  833.926535][ T9262] br0: port 2(veth1) entered disabled state
[  833.926930][ T9262] veth1: entered allmulticast mode
[  833.928946][ T9262] veth1: entered promiscuous mode
[  834.373663][   T55] br0: port 1(veth0) entered blocking state
[  834.374037][   T55] br0: port 1(veth0) entered forwarding state
[  834.375523][   T55] br0: port 2(veth1) entered blocking state
[  834.375841][   T55] br0: port 2(veth1) entered forwarding state
[  835.634701][ T4586] bond0: (slave veth1): link status definitely up
[  835.635135][ T4586] bond0: (slave veth1): making interface the new active one
[  835.636185][ T4586] bond0: active interface up!
[  835.998691][ T8487] veth1: left allmulticast mode
[  835.998932][ T8487] veth1: left promiscuous mode
[  835.999233][ T8487] br0: port 2(veth1) entered disabled state
[  836.002078][ T8487] veth0: left allmulticast mode
[  836.002480][ T8487] veth0: left promiscuous mode
[  836.002904][ T8487] br0: port 1(veth0) entered disabled state
[  836.202871][ T8487] bond0: (slave veth1): Releasing backup interface
[  836.400447][ T8487] bond0: (slave veth0): Releasing backup interface
[  836.786160][ T8487] bond0 (unregistering): Released all slaves