[  833.991773][ T9325] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  834.097433][ T9326] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  834.181391][ T9327] br0: port 1(veth0) entered blocking state
[  834.181762][ T9327] br0: port 1(veth0) entered disabled state
[  834.182125][ T9327] veth0: entered allmulticast mode
[  834.184001][ T9327] veth0: entered promiscuous mode
[  834.297516][ T9328] br0: port 2(veth1) entered blocking state
[  834.297774][ T9328] br0: port 2(veth1) entered disabled state
[  834.298043][ T9328] veth1: entered allmulticast mode
[  834.299400][ T9328] veth1: entered promiscuous mode
[  834.725079][ T5921] br0: port 1(veth0) entered blocking state
[  834.725514][ T5921] br0: port 1(veth0) entered forwarding state
[  834.726736][ T5921] br0: port 2(veth1) entered blocking state
[  834.726991][ T5921] br0: port 2(veth1) entered forwarding state
[  835.963695][ T8561] bond0: (slave veth1): link status definitely up
[  835.964078][ T8561] bond0: (slave veth1): making interface the new active one
[  835.965138][ T8561] bond0: active interface up!
[  836.298762][ T8561] veth1: left allmulticast mode
[  836.298981][ T8561] veth1: left promiscuous mode
[  836.299320][ T8561] br0: port 2(veth1) entered disabled state
[  836.301244][ T8561] veth0: left allmulticast mode
[  836.301615][ T8561] veth0: left promiscuous mode
[  836.301918][ T8561] br0: port 1(veth0) entered disabled state
[  836.445886][ T8561] bond0: (slave veth1): Releasing backup interface
[  836.635668][ T8561] bond0: (slave veth0): Releasing backup interface
[  836.971452][ T8561] bond0 (unregistering): Released all slaves