[  836.859705] 8021q: adding VLAN 0 to HW filter on device bond0
[  836.863408] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  836.867074] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  836.870666] br0: port 1(veth0) entered blocking state
[  836.870740] br0: port 1(veth0) entered disabled state
[  836.870810] veth0: entered allmulticast mode
[  836.870911] veth0: entered promiscuous mode
[  836.874526] br0: port 2(veth1) entered blocking state
[  836.874568] br0: port 2(veth1) entered disabled state
[  836.874598] veth1: entered allmulticast mode
[  836.874651] veth1: entered promiscuous mode
[  837.158926] br0: port 1(veth0) entered blocking state
[  837.158977] br0: port 1(veth0) entered forwarding state
[  837.159019] br0: port 2(veth1) entered blocking state
[  837.159049] br0: port 2(veth1) entered forwarding state
[  838.911929] bond0: (slave veth1): link status definitely up
[  838.912016] bond0: (slave veth1): making interface the new active one
[  838.912082] bond0: active interface up!
[  838.930150] veth1: left allmulticast mode
[  838.930183] veth1: left promiscuous mode
[  838.930269] br0: port 2(veth1) entered disabled state
[  838.930380] veth0: left allmulticast mode
[  838.930409] veth0: left promiscuous mode
[  838.930437] br0: port 1(veth0) entered disabled state
[  838.940090] bond0: (slave veth1): Releasing backup interface
[  838.942032] bond0: (slave veth0): Releasing backup interface
[  838.966942] bond0 (unregistering): Released all slaves