[  521.060682] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.074343] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.088255] br0: port 1(veth0) entered blocking state
[  521.088302] br0: port 1(veth0) entered disabled state
[  521.088341] veth0: entered allmulticast mode
[  521.088400] veth0: entered promiscuous mode
[  521.103024] br0: port 2(veth1) entered blocking state
[  521.103074] br0: port 2(veth1) entered disabled state
[  521.103112] veth1: entered allmulticast mode
[  521.103171] veth1: entered promiscuous mode
[  522.042777] br0: port 1(veth0) entered blocking state
[  522.042902] br0: port 1(veth0) entered forwarding state
[  522.042977] br0: port 2(veth1) entered blocking state
[  522.043023] br0: port 2(veth1) entered forwarding state
[  523.130766] bond0: (slave veth1): link status definitely up
[  523.130887] bond0: (slave veth1): making interface the new active one
[  523.130976] bond0: active interface up!
[  523.170345] veth1: left allmulticast mode
[  523.170397] veth1: left promiscuous mode
[  523.170444] br0: port 2(veth1) entered disabled state
[  523.170550] veth0: left allmulticast mode
[  523.170591] veth0: left promiscuous mode
[  523.170642] br0: port 1(veth0) entered disabled state
[  523.196946] bond0: (slave veth1): Releasing backup interface
[  523.205874] bond0: (slave veth0): Releasing backup interface
[  523.242908] bond0 (unregistering): Released all slaves