[  857.451403][ T9321] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  857.567620][ T9322] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  857.676429][ T9323] br0: port 1(veth0) entered blocking state
[  857.676747][ T9323] br0: port 1(veth0) entered disabled state
[  857.676994][ T9323] veth0: entered allmulticast mode
[  857.678276][ T9323] veth0: entered promiscuous mode
[  857.782460][ T9324] br0: port 2(veth1) entered blocking state
[  857.782867][ T9324] br0: port 2(veth1) entered disabled state
[  857.783236][ T9324] veth1: entered allmulticast mode
[  857.785223][ T9324] veth1: entered promiscuous mode
[  858.151251][ T8843] br0: port 1(veth0) entered blocking state
[  858.151627][ T8843] br0: port 1(veth0) entered forwarding state
[  858.153070][ T8843] br0: port 2(veth1) entered blocking state
[  858.153373][ T8843] br0: port 2(veth1) entered forwarding state
[  859.406897][ T4869] bond0: (slave veth1): link status definitely up
[  859.407299][ T4869] bond0: (slave veth1): making interface the new active one
[  859.408440][ T4869] bond0: active interface up!
[  859.625953][ T8594] veth1: left allmulticast mode
[  859.626197][ T8594] veth1: left promiscuous mode
[  859.626565][ T8594] br0: port 2(veth1) entered disabled state
[  859.629007][ T8594] veth0: left allmulticast mode
[  859.629299][ T8594] veth0: left promiscuous mode
[  859.629766][ T8594] br0: port 1(veth0) entered disabled state
[  859.790119][ T8594] bond0: (slave veth1): Releasing backup interface
[  859.912918][ T8594] bond0: (slave veth0): Releasing backup interface
[  860.285088][ T8594] bond0 (unregistering): Released all slaves