[  521.406007] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.420928] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.437875] br0: port 1(veth0) entered blocking state
[  521.437955] br0: port 1(veth0) entered disabled state
[  521.438021] veth0: entered allmulticast mode
[  521.438105] veth0: entered promiscuous mode
[  521.453002] br0: port 2(veth1) entered blocking state
[  521.453063] br0: port 2(veth1) entered disabled state
[  521.453112] veth1: entered allmulticast mode
[  521.453189] veth1: entered promiscuous mode
[  521.651673] br0: port 1(veth0) entered blocking state
[  521.651758] br0: port 1(veth0) entered forwarding state
[  521.651850] br0: port 2(veth1) entered blocking state
[  521.651913] br0: port 2(veth1) entered forwarding state
[  523.450693] bond0: (slave veth1): link status definitely up
[  523.450820] bond0: (slave veth1): making interface the new active one
[  523.450890] bond0: active interface up!
[  523.556257] veth1: left allmulticast mode
[  523.556326] veth1: left promiscuous mode
[  523.556382] br0: port 2(veth1) entered disabled state
[  523.556526] veth0: left allmulticast mode
[  523.556573] veth0: left promiscuous mode
[  523.556650] br0: port 1(veth0) entered disabled state
[  523.577246] bond0: (slave veth1): Releasing backup interface
[  523.593920] bond0: (slave veth0): Releasing backup interface
[  523.629862] bond0 (unregistering): Released all slaves