[  858.771112][ T9549] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  858.865558][ T9550] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  858.952286][ T9551] br0: port 1(veth0) entered blocking state
[  858.952596][ T9551] br0: port 1(veth0) entered disabled state
[  858.952855][ T9551] veth0: entered allmulticast mode
[  858.954027][ T9551] veth0: entered promiscuous mode
[  859.044535][ T9552] br0: port 2(veth1) entered blocking state
[  859.044849][ T9552] br0: port 2(veth1) entered disabled state
[  859.045105][ T9552] veth1: entered allmulticast mode
[  859.046332][ T9552] veth1: entered promiscuous mode
[  859.490243][ T8748] br0: port 1(veth0) entered blocking state
[  859.490523][ T8748] br0: port 1(veth0) entered forwarding state
[  859.491565][ T8748] br0: port 2(veth1) entered blocking state
[  859.491817][ T8748] br0: port 2(veth1) entered forwarding state
[  860.755335][ T8553] bond0: (slave veth1): link status definitely up
[  860.755989][ T8553] bond0: (slave veth1): making interface the new active one
[  860.757614][ T8553] bond0: active interface up!
[  861.092452][ T8553] veth1: left allmulticast mode
[  861.092720][ T8553] veth1: left promiscuous mode
[  861.093082][ T8553] br0: port 2(veth1) entered disabled state
[  861.095632][ T8553] veth0: left allmulticast mode
[  861.095863][ T8553] veth0: left promiscuous mode
[  861.096216][ T8553] br0: port 1(veth0) entered disabled state
[  861.259732][ T8553] bond0: (slave veth1): Releasing backup interface
[  861.454017][ T8553] bond0: (slave veth0): Releasing backup interface
[  861.818797][ T8553] bond0 (unregistering): Released all slaves