[  748.967792] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  748.978934] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  748.991822] br0: port 1(veth0) entered blocking state
[  748.991947] br0: port 1(veth0) entered disabled state
[  748.992036] veth0: entered allmulticast mode
[  748.992159] veth0: entered promiscuous mode
[  749.004469] br0: port 2(veth1) entered blocking state
[  749.004545] br0: port 2(veth1) entered disabled state
[  749.004602] veth1: entered allmulticast mode
[  749.004707] veth1: entered promiscuous mode
[  749.219895] br0: port 1(veth0) entered blocking state
[  749.220023] br0: port 1(veth0) entered forwarding state
[  749.220137] br0: port 2(veth1) entered blocking state
[  749.220215] br0: port 2(veth1) entered forwarding state
[  751.027872] bond0: (slave veth1): link status definitely up
[  751.028015] bond0: (slave veth1): making interface the new active one
[  751.028111] bond0: active interface up!
[  751.091044] veth1: left allmulticast mode
[  751.091108] veth1: left promiscuous mode
[  751.091162] br0: port 2(veth1) entered disabled state
[  751.091259] veth0: left allmulticast mode
[  751.091349] veth0: left promiscuous mode
[  751.091399] br0: port 1(veth0) entered disabled state
[  751.105303] bond0: (slave veth1): Releasing backup interface
[  751.108388] bond0: (slave veth0): Releasing backup interface
[  751.137059] bond0 (unregistering): Released all slaves