[  837.009698] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.013383] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.017113] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.020728] br0: port 1(veth0) entered blocking state
[  837.020768] br0: port 1(veth0) entered disabled state
[  837.020802] veth0: entered allmulticast mode
[  837.020854] veth0: entered promiscuous mode
[  837.024517] br0: port 2(veth1) entered blocking state
[  837.024554] br0: port 2(veth1) entered disabled state
[  837.024600] veth1: entered allmulticast mode
[  837.024654] veth1: entered promiscuous mode
[  837.082553] br0: port 1(veth0) entered blocking state
[  837.082598] br0: port 1(veth0) entered forwarding state
[  837.082633] br0: port 2(veth1) entered blocking state
[  837.082665] br0: port 2(veth1) entered forwarding state
[  839.041542] bond0: (slave veth1): link status definitely up
[  839.041634] bond0: (slave veth1): making interface the new active one
[  839.041689] bond0: active interface up!
[  839.084431] veth1: left allmulticast mode
[  839.084465] veth1: left promiscuous mode
[  839.084495] br0: port 2(veth1) entered disabled state
[  839.084631] veth0: left allmulticast mode
[  839.084658] veth0: left promiscuous mode
[  839.084684] br0: port 1(veth0) entered disabled state
[  839.088706] bond0: (slave veth1): Releasing backup interface
[  839.093716] bond0: (slave veth0): Releasing backup interface
[  839.127592] bond0 (unregistering): Released all slaves