[  521.794288] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.811608] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.829101] br0: port 1(veth0) entered blocking state
[  521.829163] br0: port 1(veth0) entered disabled state
[  521.829205] veth0: entered allmulticast mode
[  521.829279] veth0: entered promiscuous mode
[  521.846690] br0: port 2(veth1) entered blocking state
[  521.846759] br0: port 2(veth1) entered disabled state
[  521.846814] veth1: entered allmulticast mode
[  521.846902] veth1: entered promiscuous mode
[  522.747728] br0: port 1(veth0) entered blocking state
[  522.747807] br0: port 1(veth0) entered forwarding state
[  522.747896] br0: port 2(veth1) entered blocking state
[  522.747948] br0: port 2(veth1) entered forwarding state
[  523.835739] bond0: (slave veth1): link status definitely up
[  523.835820] bond0: (slave veth1): making interface the new active one
[  523.835904] bond0: active interface up!
[  523.876463] veth1: left allmulticast mode
[  523.876526] veth1: left promiscuous mode
[  523.876580] br0: port 2(veth1) entered disabled state
[  523.876726] veth0: left allmulticast mode
[  523.876770] veth0: left promiscuous mode
[  523.876814] br0: port 1(veth0) entered disabled state
[  523.897363] bond0: (slave veth1): Releasing backup interface
[  523.899874] bond0: (slave veth0): Releasing backup interface
[  523.942969] bond0 (unregistering): Released all slaves