[  837.437842] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.441579] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.445242] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.448898] br0: port 1(veth0) entered blocking state
[  837.448932] br0: port 1(veth0) entered disabled state
[  837.448968] veth0: entered allmulticast mode
[  837.449030] veth0: entered promiscuous mode
[  837.452643] br0: port 2(veth1) entered blocking state
[  837.452675] br0: port 2(veth1) entered disabled state
[  837.452708] veth1: entered allmulticast mode
[  837.452772] veth1: entered promiscuous mode
[  837.619257] br0: port 1(veth0) entered blocking state
[  837.619299] br0: port 1(veth0) entered forwarding state
[  837.619348] br0: port 2(veth1) entered blocking state
[  837.619379] br0: port 2(veth1) entered forwarding state
[  839.498243] bond0: (slave veth1): link status definitely up
[  839.498362] bond0: (slave veth1): making interface the new active one
[  839.498462] bond0: active interface up!
[  839.531728] veth1: left allmulticast mode
[  839.531848] veth1: left promiscuous mode
[  839.531943] br0: port 2(veth1) entered disabled state
[  839.532078] veth0: left allmulticast mode
[  839.532143] veth0: left promiscuous mode
[  839.532251] br0: port 1(veth0) entered disabled state
[  839.536378] bond0: (slave veth1): Releasing backup interface
[  839.541378] bond0: (slave veth0): Releasing backup interface
[  839.564271] bond0 (unregistering): Released all slaves