[  851.954644][ T9537] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  852.050434][ T9538] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  852.130392][ T9539] br0: port 1(veth0) entered blocking state
[  852.130786][ T9539] br0: port 1(veth0) entered disabled state
[  852.131134][ T9539] veth0: entered allmulticast mode
[  852.132933][ T9539] veth0: entered promiscuous mode
[  852.207083][ T9540] br0: port 2(veth1) entered blocking state
[  852.207370][ T9540] br0: port 2(veth1) entered disabled state
[  852.207616][ T9540] veth1: entered allmulticast mode
[  852.210013][ T9540] veth1: entered promiscuous mode
[  853.130711][ T1947] br0: port 1(veth0) entered blocking state
[  853.130960][ T1947] br0: port 1(veth0) entered forwarding state
[  853.131866][ T1947] br0: port 2(veth1) entered blocking state
[  853.132077][ T1947] br0: port 2(veth1) entered forwarding state
[  854.921668][ T8791] bond0: (slave veth0): link status definitely up
[  854.922388][ T8791] bond0: (slave veth1): link status definitely up
[  854.922643][ T8791] bond0: (slave veth0): making interface the new active one
[  854.923864][ T8791] bond0: active interface up!
[  855.121636][ T8791] veth1: left allmulticast mode
[  855.121900][ T8791] veth1: left promiscuous mode
[  855.122276][ T8791] br0: port 2(veth1) entered disabled state
[  855.124501][ T8791] veth0: left allmulticast mode
[  855.124707][ T8791] veth0: left promiscuous mode
[  855.124989][ T8791] br0: port 1(veth0) entered disabled state
[  855.250849][ T8791] bond0: (slave veth1): Releasing backup interface
[  855.414964][ T8791] bond0: (slave veth0): Releasing backup interface
[  855.786719][ T8791] bond0 (unregistering): Released all slaves