[  870.820969] 8021q: adding VLAN 0 to HW filter on device bond0
[  870.824556] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  870.828337] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  870.831816] br0: port 1(veth0) entered blocking state
[  870.831900] br0: port 1(veth0) entered disabled state
[  870.831972] veth0: entered allmulticast mode
[  870.832063] veth0: entered promiscuous mode
[  870.835596] br0: port 2(veth1) entered blocking state
[  870.835626] br0: port 2(veth1) entered disabled state
[  870.835663] veth1: entered allmulticast mode
[  870.835734] veth1: entered promiscuous mode
[  871.815765] br0: port 1(veth0) entered blocking state
[  871.815820] br0: port 1(veth0) entered forwarding state
[  871.815863] br0: port 2(veth1) entered blocking state
[  871.815898] br0: port 2(veth1) entered forwarding state
[  872.903729] bond0: (slave veth1): link status definitely up
[  872.903815] bond0: (slave veth1): making interface the new active one
[  872.903866] bond0: active interface up!
[  872.992437] veth1: left allmulticast mode
[  872.992475] veth1: left promiscuous mode
[  872.992503] br0: port 2(veth1) entered disabled state
[  872.992636] veth0: left allmulticast mode
[  872.992659] veth0: left promiscuous mode
[  872.992682] br0: port 1(veth0) entered disabled state
[  872.997922] bond0: (slave veth1): Releasing backup interface
[  873.001868] bond0: (slave veth0): Releasing backup interface
[  873.035769] bond0 (unregistering): Released all slaves