[  877.133826] 8021q: adding VLAN 0 to HW filter on device bond0
[  877.137386] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  877.140920] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  877.144373] br0: port 1(veth0) entered blocking state
[  877.144439] br0: port 1(veth0) entered disabled state
[  877.144511] veth0: entered allmulticast mode
[  877.144603] veth0: entered promiscuous mode
[  877.148043] br0: port 2(veth1) entered blocking state
[  877.148072] br0: port 2(veth1) entered disabled state
[  877.148106] veth1: entered allmulticast mode
[  877.148167] veth1: entered promiscuous mode
[  878.144869] br0: port 1(veth0) entered blocking state
[  878.144922] br0: port 1(veth0) entered forwarding state
[  878.144971] br0: port 2(veth1) entered blocking state
[  878.145002] br0: port 2(veth1) entered forwarding state
[  879.168849] bond0: (slave veth1): link status definitely up
[  879.168939] bond0: (slave veth1): making interface the new active one
[  879.168996] bond0: active interface up!
[  879.208676] veth1: left allmulticast mode
[  879.208716] veth1: left promiscuous mode
[  879.208748] br0: port 2(veth1) entered disabled state
[  879.208916] veth0: left allmulticast mode
[  879.208946] veth0: left promiscuous mode
[  879.208974] br0: port 1(veth0) entered disabled state
[  879.218075] bond0: (slave veth1): Releasing backup interface
[  879.220962] bond0: (slave veth0): Releasing backup interface
[  879.254876] bond0 (unregistering): Released all slaves