[  857.050165][ T9306] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  857.134840][ T9307] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  857.223156][ T9308] br0: port 1(veth0) entered blocking state
[  857.223483][ T9308] br0: port 1(veth0) entered disabled state
[  857.223879][ T9308] veth0: entered allmulticast mode
[  857.225234][ T9308] veth0: entered promiscuous mode
[  857.312230][ T9309] br0: port 2(veth1) entered blocking state
[  857.312594][ T9309] br0: port 2(veth1) entered disabled state
[  857.312901][ T9309] veth1: entered allmulticast mode
[  857.314190][ T9309] veth1: entered promiscuous mode
[  857.783541][ T8566] br0: port 1(veth0) entered blocking state
[  857.783830][ T8566] br0: port 1(veth0) entered forwarding state
[  857.784878][ T8566] br0: port 2(veth1) entered blocking state
[  857.785096][ T8566] br0: port 2(veth1) entered forwarding state
[  859.016877][  T263] bond0: (slave veth1): link status definitely up
[  859.017344][  T263] bond0: (slave veth1): making interface the new active one
[  859.018775][  T263] bond0: active interface up!
[  859.437402][  T263] veth1: left allmulticast mode
[  859.437633][  T263] veth1: left promiscuous mode
[  859.438003][  T263] br0: port 2(veth1) entered disabled state
[  859.440264][  T263] veth0: left allmulticast mode
[  859.440494][  T263] veth0: left promiscuous mode
[  859.440798][  T263] br0: port 1(veth0) entered disabled state
[  859.571385][  T263] bond0: (slave veth1): Releasing backup interface
[  859.664112][  T263] bond0: (slave veth0): Releasing backup interface
[  859.899281][  T263] bond0 (unregistering): Released all slaves