[  834.956980][ T9308] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  835.056196][ T9309] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  835.143066][ T9310] br0: port 1(veth0) entered blocking state
[  835.143340][ T9310] br0: port 1(veth0) entered disabled state
[  835.143589][ T9310] veth0: entered allmulticast mode
[  835.144755][ T9310] veth0: entered promiscuous mode
[  835.252530][ T9311] br0: port 2(veth1) entered blocking state
[  835.252856][ T9311] br0: port 2(veth1) entered disabled state
[  835.253226][ T9311] veth1: entered allmulticast mode
[  835.255905][ T9311] veth1: entered promiscuous mode
[  835.646959][ T4633] br0: port 1(veth0) entered blocking state
[  835.647244][ T4633] br0: port 1(veth0) entered forwarding state
[  835.648502][ T4633] br0: port 2(veth1) entered blocking state
[  835.648785][ T4633] br0: port 2(veth1) entered forwarding state
[  836.877999][ T4272] bond0: (slave veth1): link status definitely up
[  836.878682][ T4272] bond0: (slave veth1): making interface the new active one
[  836.880184][ T4272] bond0: active interface up!
[  837.360226][ T4272] veth1: left allmulticast mode
[  837.360455][ T4272] veth1: left promiscuous mode
[  837.360780][ T4272] br0: port 2(veth1) entered disabled state
[  837.363034][ T4272] veth0: left allmulticast mode
[  837.363219][ T4272] veth0: left promiscuous mode
[  837.363546][ T4272] br0: port 1(veth0) entered disabled state
[  837.562945][ T4272] bond0: (slave veth1): Releasing backup interface
[  837.666875][ T4272] bond0: (slave veth0): Releasing backup interface
[  838.040959][ T4272] bond0 (unregistering): Released all slaves