[  756.929633] 8021q: adding VLAN 0 to HW filter on device bond0
[  756.941215] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  756.952051] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  756.963308] br0: port 1(veth0) entered blocking state
[  756.963412] br0: port 1(veth0) entered disabled state
[  756.963530] veth0: entered allmulticast mode
[  756.963650] veth0: entered promiscuous mode
[  756.974672] br0: port 2(veth1) entered blocking state
[  756.974745] br0: port 2(veth1) entered disabled state
[  756.974802] veth1: entered allmulticast mode
[  756.974897] veth1: entered promiscuous mode
[  757.284773] br0: port 1(veth0) entered blocking state
[  757.284869] br0: port 1(veth0) entered forwarding state
[  757.284961] br0: port 2(veth1) entered blocking state
[  757.285034] br0: port 2(veth1) entered forwarding state
[  758.964768] bond0: (slave veth1): link status definitely up
[  758.964893] bond0: (slave veth1): making interface the new active one
[  758.964999] bond0: active interface up!
[  759.024676] veth1: left allmulticast mode
[  759.024736] veth1: left promiscuous mode
[  759.024781] br0: port 2(veth1) entered disabled state
[  759.024887] veth0: left allmulticast mode
[  759.024941] veth0: left promiscuous mode
[  759.024980] br0: port 1(veth0) entered disabled state
[  759.040985] bond0: (slave veth1): Releasing backup interface
[  759.045924] bond0: (slave veth0): Releasing backup interface
[  759.068955] bond0 (unregistering): Released all slaves