[  838.675325][ T9385] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  838.762642][ T9386] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  838.852394][ T9387] br0: port 1(veth0) entered blocking state
[  838.852726][ T9387] br0: port 1(veth0) entered disabled state
[  838.853018][ T9387] veth0: entered allmulticast mode
[  838.854276][ T9387] veth0: entered promiscuous mode
[  838.945156][ T9388] br0: port 2(veth1) entered blocking state
[  838.945579][ T9388] br0: port 2(veth1) entered disabled state
[  838.945975][ T9388] veth1: entered allmulticast mode
[  838.947980][ T9388] veth1: entered promiscuous mode
[  839.391123][   T40] br0: port 1(veth0) entered blocking state
[  839.391407][   T40] br0: port 1(veth0) entered forwarding state
[  839.392381][   T40] br0: port 2(veth1) entered blocking state
[  839.392647][   T40] br0: port 2(veth1) entered forwarding state
[  840.646917][ T8756] bond0: (slave veth1): link status definitely up
[  840.647329][ T8756] bond0: (slave veth1): making interface the new active one
[  840.648559][ T8756] bond0: active interface up!
[  841.082127][ T8756] veth1: left allmulticast mode
[  841.082389][ T8756] veth1: left promiscuous mode
[  841.082751][ T8756] br0: port 2(veth1) entered disabled state
[  841.085013][ T8756] veth0: left allmulticast mode
[  841.085235][ T8756] veth0: left promiscuous mode
[  841.085553][ T8756] br0: port 1(veth0) entered disabled state
[  841.250146][ T8756] bond0: (slave veth1): Releasing backup interface
[  841.403164][ T8756] bond0: (slave veth0): Releasing backup interface
[  841.794936][ T8756] bond0 (unregistering): Released all slaves