[  838.323398] 8021q: adding VLAN 0 to HW filter on device bond0
[  838.327195] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  838.330924] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  838.334627] br0: port 1(veth0) entered blocking state
[  838.334663] br0: port 1(veth0) entered disabled state
[  838.334691] veth0: entered allmulticast mode
[  838.334751] veth0: entered promiscuous mode
[  838.338457] br0: port 2(veth1) entered blocking state
[  838.338489] br0: port 2(veth1) entered disabled state
[  838.338525] veth1: entered allmulticast mode
[  838.338582] veth1: entered promiscuous mode
[  839.356883] br0: port 1(veth0) entered blocking state
[  839.356936] br0: port 1(veth0) entered forwarding state
[  839.356983] br0: port 2(veth1) entered blocking state
[  839.357016] br0: port 2(veth1) entered forwarding state
[  840.381846] bond0: (slave veth1): link status definitely up
[  840.381943] bond0: (slave veth1): making interface the new active one
[  840.381995] bond0: active interface up!
[  840.399823] veth1: left allmulticast mode
[  840.399870] veth1: left promiscuous mode
[  840.399931] br0: port 2(veth1) entered disabled state
[  840.400044] veth0: left allmulticast mode
[  840.400075] veth0: left promiscuous mode
[  840.400104] br0: port 1(veth0) entered disabled state
[  840.409090] bond0: (slave veth1): Releasing backup interface
[  840.413965] bond0: (slave veth0): Releasing backup interface
[  840.443874] bond0 (unregistering): Released all slaves