[  872.184394][ T9522] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  872.268934][ T9523] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  872.359870][ T9524] br0: port 1(veth0) entered blocking state
[  872.360280][ T9524] br0: port 1(veth0) entered disabled state
[  872.360785][ T9524] veth0: entered allmulticast mode
[  872.362604][ T9524] veth0: entered promiscuous mode
[  872.439723][ T9525] br0: port 2(veth1) entered blocking state
[  872.440015][ T9525] br0: port 2(veth1) entered disabled state
[  872.440272][ T9525] veth1: entered allmulticast mode
[  872.441487][ T9525] veth1: entered promiscuous mode
[  872.899390][   T40] br0: port 1(veth0) entered blocking state
[  872.899653][   T40] br0: port 1(veth0) entered forwarding state
[  872.900933][   T40] br0: port 2(veth1) entered blocking state
[  872.901151][   T40] br0: port 2(veth1) entered forwarding state
[  874.122750][   T68] bond0: (slave veth1): link status definitely up
[  874.123202][   T68] bond0: (slave veth1): making interface the new active one
[  874.124305][   T68] bond0: active interface up!
[  874.582588][ T8337] veth1: left allmulticast mode
[  874.582799][ T8337] veth1: left promiscuous mode
[  874.583144][ T8337] br0: port 2(veth1) entered disabled state
[  874.585149][ T8337] veth0: left allmulticast mode
[  874.585329][ T8337] veth0: left promiscuous mode
[  874.585809][ T8337] br0: port 1(veth0) entered disabled state
[  874.757951][ T8337] bond0: (slave veth1): Releasing backup interface
[  874.913893][ T8337] bond0: (slave veth0): Releasing backup interface
[  875.292976][ T8337] bond0 (unregistering): Released all slaves