[  837.399424] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.403223] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.406979] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.410657] br0: port 1(veth0) entered blocking state
[  837.410721] br0: port 1(veth0) entered disabled state
[  837.410796] veth0: entered allmulticast mode
[  837.410883] veth0: entered promiscuous mode
[  837.414574] br0: port 2(veth1) entered blocking state
[  837.414605] br0: port 2(veth1) entered disabled state
[  837.414640] veth1: entered allmulticast mode
[  837.414691] veth1: entered promiscuous mode
[  837.800049] br0: port 1(veth0) entered blocking state
[  837.800104] br0: port 1(veth0) entered forwarding state
[  837.800147] br0: port 2(veth1) entered blocking state
[  837.800176] br0: port 2(veth1) entered forwarding state
[  839.425054] bond0: (slave veth1): link status definitely up
[  839.425160] bond0: (slave veth1): making interface the new active one
[  839.425220] bond0: active interface up!
[  839.476864] veth1: left allmulticast mode
[  839.476906] veth1: left promiscuous mode
[  839.476937] br0: port 2(veth1) entered disabled state
[  839.477050] veth0: left allmulticast mode
[  839.477073] veth0: left promiscuous mode
[  839.477104] br0: port 1(veth0) entered disabled state
[  839.482200] bond0: (slave veth1): Releasing backup interface
[  839.487200] bond0: (slave veth0): Releasing backup interface
[  839.514072] bond0 (unregistering): Released all slaves