[  873.649313][ T9577] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  873.740340][ T9578] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  873.854781][ T9579] br0: port 1(veth0) entered blocking state
[  873.855060][ T9579] br0: port 1(veth0) entered disabled state
[  873.855313][ T9579] veth0: entered allmulticast mode
[  873.856514][ T9579] veth0: entered promiscuous mode
[  873.936842][ T9580] br0: port 2(veth1) entered blocking state
[  873.937184][ T9580] br0: port 2(veth1) entered disabled state
[  873.937501][ T9580] veth1: entered allmulticast mode
[  873.939698][ T9580] veth1: entered promiscuous mode
[  874.419047][   T40] br0: port 1(veth0) entered blocking state
[  874.419363][   T40] br0: port 1(veth0) entered forwarding state
[  874.420367][   T40] br0: port 2(veth1) entered blocking state
[  874.420612][   T40] br0: port 2(veth1) entered forwarding state
[  875.610883][ T8930] bond0: (slave veth1): link status definitely up
[  875.611265][ T8930] bond0: (slave veth1): making interface the new active one
[  875.612358][ T8930] bond0: active interface up!
[  876.024787][ T8930] veth1: left allmulticast mode
[  876.025003][ T8930] veth1: left promiscuous mode
[  876.025361][ T8930] br0: port 2(veth1) entered disabled state
[  876.027737][ T8930] veth0: left allmulticast mode
[  876.027958][ T8930] veth0: left promiscuous mode
[  876.028281][ T8930] br0: port 1(veth0) entered disabled state
[  876.234280][ T8930] bond0: (slave veth1): Releasing backup interface
[  876.406020][ T8930] bond0: (slave veth0): Releasing backup interface
[  876.776938][ T8930] bond0 (unregistering): Released all slaves