[  833.888100][ T9374] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  833.981932][ T9375] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  834.059579][ T9376] br0: port 1(veth0) entered blocking state
[  834.059913][ T9376] br0: port 1(veth0) entered disabled state
[  834.060162][ T9376] veth0: entered allmulticast mode
[  834.061350][ T9376] veth0: entered promiscuous mode
[  834.162220][ T9377] br0: port 2(veth1) entered blocking state
[  834.162986][ T9377] br0: port 2(veth1) entered disabled state
[  834.163284][ T9377] veth1: entered allmulticast mode
[  834.164542][ T9377] veth1: entered promiscuous mode
[  834.634028][ T8727] br0: port 1(veth0) entered blocking state
[  834.634378][ T8727] br0: port 1(veth0) entered forwarding state
[  834.635430][ T8727] br0: port 2(veth1) entered blocking state
[  834.635673][ T8727] br0: port 2(veth1) entered forwarding state
[  835.858106][  T259] bond0: (slave veth1): link status definitely up
[  835.858834][  T259] bond0: (slave veth1): making interface the new active one
[  835.860751][  T259] bond0: active interface up!
[  836.104810][  T259] veth1: left allmulticast mode
[  836.105024][  T259] veth1: left promiscuous mode
[  836.105373][  T259] br0: port 2(veth1) entered disabled state
[  836.107479][  T259] veth0: left allmulticast mode
[  836.107649][  T259] veth0: left promiscuous mode
[  836.107923][  T259] br0: port 1(veth0) entered disabled state
[  836.259978][  T259] bond0: (slave veth1): Releasing backup interface
[  836.337827][  T259] bond0: (slave veth0): Releasing backup interface
[  836.766571][  T259] bond0 (unregistering): Released all slaves