[  875.243376] 8021q: adding VLAN 0 to HW filter on device bond0
[  875.247034] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  875.250695] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  875.254243] br0: port 1(veth0) entered blocking state
[  875.254277] br0: port 1(veth0) entered disabled state
[  875.254309] veth0: entered allmulticast mode
[  875.254381] veth0: entered promiscuous mode
[  875.258000] br0: port 2(veth1) entered blocking state
[  875.258068] br0: port 2(veth1) entered disabled state
[  875.258136] veth1: entered allmulticast mode
[  875.258224] veth1: entered promiscuous mode
[  876.292361] br0: port 1(veth0) entered blocking state
[  876.292418] br0: port 1(veth0) entered forwarding state
[  876.292466] br0: port 2(veth1) entered blocking state
[  876.292495] br0: port 2(veth1) entered forwarding state
[  877.316339] bond0: (slave veth1): link status definitely up
[  877.316419] bond0: (slave veth1): making interface the new active one
[  877.316478] bond0: active interface up!
[  877.420199] veth1: left allmulticast mode
[  877.420234] veth1: left promiscuous mode
[  877.420270] br0: port 2(veth1) entered disabled state
[  877.420387] veth0: left allmulticast mode
[  877.420409] veth0: left promiscuous mode
[  877.420434] br0: port 1(veth0) entered disabled state
[  877.427520] bond0: (slave veth1): Releasing backup interface
[  877.429526] bond0: (slave veth0): Releasing backup interface
[  877.455381] bond0 (unregistering): Released all slaves