[  873.444336] 8021q: adding VLAN 0 to HW filter on device bond0
[  873.447349] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  873.450426] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  873.453269] br0: port 1(veth0) entered blocking state
[  873.453299] br0: port 1(veth0) entered disabled state
[  873.453329] veth0: entered allmulticast mode
[  873.453384] veth0: entered promiscuous mode
[  873.456258] br0: port 2(veth1) entered blocking state
[  873.456324] br0: port 2(veth1) entered disabled state
[  873.456390] veth1: entered allmulticast mode
[  873.456476] veth1: entered promiscuous mode
[  873.508944] br0: port 1(veth0) entered blocking state
[  873.509017] br0: port 1(veth0) entered forwarding state
[  873.509107] br0: port 2(veth1) entered blocking state
[  873.509171] br0: port 2(veth1) entered forwarding state
[  875.514958] bond0: (slave veth1): link status definitely up
[  875.515063] bond0: (slave veth1): making interface the new active one
[  875.515160] bond0: active interface up!
[  875.594406] veth1: left allmulticast mode
[  875.594475] veth1: left promiscuous mode
[  875.594538] br0: port 2(veth1) entered disabled state
[  875.594751] veth0: left allmulticast mode
[  875.594814] veth0: left promiscuous mode
[  875.594901] br0: port 1(veth0) entered disabled state
[  875.601122] bond0: (slave veth1): Releasing backup interface
[  875.605074] bond0: (slave veth0): Releasing backup interface
[  875.639983] bond0 (unregistering): Released all slaves