[  847.129827][ T9499] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  847.225681][ T9500] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  847.302529][ T9501] br0: port 1(veth0) entered blocking state
[  847.302940][ T9501] br0: port 1(veth0) entered disabled state
[  847.304242][ T9501] veth0: entered allmulticast mode
[  847.306294][ T9501] veth0: entered promiscuous mode
[  847.394157][ T9502] br0: port 2(veth1) entered blocking state
[  847.394469][ T9502] br0: port 2(veth1) entered disabled state
[  847.394713][ T9502] veth1: entered allmulticast mode
[  847.395929][ T9502] veth1: entered promiscuous mode
[  848.256723][ T8983] br0: port 1(veth0) entered blocking state
[  848.257027][ T8983] br0: port 1(veth0) entered forwarding state
[  848.258053][ T8983] br0: port 2(veth1) entered blocking state
[  848.258320][ T8983] br0: port 2(veth1) entered forwarding state
[  850.111742][  T260] bond0: (slave veth0): link status definitely up
[  850.112340][  T260] bond0: (slave veth1): link status definitely up
[  850.112541][  T260] bond0: (slave veth0): making interface the new active one
[  850.113742][  T260] bond0: active interface up!
[  850.362279][  T260] veth1: left allmulticast mode
[  850.362513][  T260] veth1: left promiscuous mode
[  850.362838][  T260] br0: port 2(veth1) entered disabled state
[  850.364601][  T260] veth0: left allmulticast mode
[  850.364878][  T260] veth0: left promiscuous mode
[  850.365357][  T260] br0: port 1(veth0) entered disabled state
[  850.554909][  T260] bond0: (slave veth1): Releasing backup interface
[  850.637933][  T260] bond0: (slave veth0): Releasing backup interface
[  851.010319][  T260] bond0 (unregistering): Released all slaves