[  521.947288] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.958216] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.969851] br0: port 1(veth0) entered blocking state
[  521.969940] br0: port 1(veth0) entered disabled state
[  521.970007] veth0: entered allmulticast mode
[  521.970125] veth0: entered promiscuous mode
[  521.982855] br0: port 2(veth1) entered blocking state
[  521.982970] br0: port 2(veth1) entered disabled state
[  521.983047] veth1: entered allmulticast mode
[  521.983178] veth1: entered promiscuous mode
[  522.277181] br0: port 1(veth0) entered blocking state
[  522.277299] br0: port 1(veth0) entered forwarding state
[  522.277394] br0: port 2(veth1) entered blocking state
[  522.277444] br0: port 2(veth1) entered forwarding state
[  524.021243] bond0: (slave veth1): link status definitely up
[  524.021434] bond0: (slave veth1): making interface the new active one
[  524.021517] bond0: active interface up!
[  524.062028] veth1: left allmulticast mode
[  524.062090] veth1: left promiscuous mode
[  524.062189] br0: port 2(veth1) entered disabled state
[  524.062341] veth0: left allmulticast mode
[  524.062381] veth0: left promiscuous mode
[  524.062439] br0: port 1(veth0) entered disabled state
[  524.082531] bond0: (slave veth1): Releasing backup interface
[  524.098521] bond0: (slave veth0): Releasing backup interface