[  839.806870][ T9339] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  839.893529][ T9340] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  839.974328][ T9341] br0: port 1(veth0) entered blocking state
[  839.975618][ T9341] br0: port 1(veth0) entered disabled state
[  839.975970][ T9341] veth0: entered allmulticast mode
[  839.977190][ T9341] veth0: entered promiscuous mode
[  840.081285][ T9342] br0: port 2(veth1) entered blocking state
[  840.082627][ T9342] br0: port 2(veth1) entered disabled state
[  840.082947][ T9342] veth1: entered allmulticast mode
[  840.084135][ T9342] veth1: entered promiscuous mode
[  840.565248][   T45] br0: port 1(veth0) entered blocking state
[  840.565667][   T45] br0: port 1(veth0) entered forwarding state
[  840.567048][   T45] br0: port 2(veth1) entered blocking state
[  840.567263][   T45] br0: port 2(veth1) entered forwarding state
[  841.756946][   T66] bond0: (slave veth1): link status definitely up
[  841.757498][   T66] bond0: (slave veth1): making interface the new active one
[  841.759065][   T66] bond0: active interface up!
[  842.263796][   T66] veth1: left allmulticast mode
[  842.264018][   T66] veth1: left promiscuous mode
[  842.264382][   T66] br0: port 2(veth1) entered disabled state
[  842.266910][   T66] veth0: left allmulticast mode
[  842.267105][   T66] veth0: left promiscuous mode
[  842.267419][   T66] br0: port 1(veth0) entered disabled state
[  842.438779][   T66] bond0: (slave veth1): Releasing backup interface
[  842.621557][   T66] bond0: (slave veth0): Releasing backup interface
[  842.989519][   T66] bond0 (unregistering): Released all slaves