[  521.722120] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.737960] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.752933] br0: port 1(veth0) entered blocking state
[  521.753002] br0: port 1(veth0) entered disabled state
[  521.753058] veth0: entered allmulticast mode
[  521.753140] veth0: entered promiscuous mode
[  521.769296] br0: port 2(veth1) entered blocking state
[  521.769363] br0: port 2(veth1) entered disabled state
[  521.769414] veth1: entered allmulticast mode
[  521.769502] veth1: entered promiscuous mode
[  522.687027] br0: port 1(veth0) entered blocking state
[  522.687132] br0: port 1(veth0) entered forwarding state
[  522.687208] br0: port 2(veth1) entered blocking state
[  522.687243] br0: port 2(veth1) entered forwarding state
[  523.774977] bond0: (slave veth1): link status definitely up
[  523.775098] bond0: (slave veth1): making interface the new active one
[  523.775159] bond0: active interface up!
[  523.870623] veth1: left allmulticast mode
[  523.870688] veth1: left promiscuous mode
[  523.870737] br0: port 2(veth1) entered disabled state
[  523.870859] veth0: left allmulticast mode
[  523.870921] veth0: left promiscuous mode
[  523.870972] br0: port 1(veth0) entered disabled state
[  523.896246] bond0: (slave veth1): Releasing backup interface
[  523.900119] bond0: (slave veth0): Releasing backup interface
[  523.927106] bond0 (unregistering): Released all slaves