[  873.325021] 8021q: adding VLAN 0 to HW filter on device bond0
[  873.328330] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  873.331600] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  873.334781] br0: port 1(veth0) entered blocking state
[  873.334812] br0: port 1(veth0) entered disabled state
[  873.334850] veth0: entered allmulticast mode
[  873.334905] veth0: entered promiscuous mode
[  873.338139] br0: port 2(veth1) entered blocking state
[  873.338207] br0: port 2(veth1) entered disabled state
[  873.338272] veth1: entered allmulticast mode
[  873.338357] veth1: entered promiscuous mode
[  873.375539] br0: port 1(veth0) entered blocking state
[  873.375603] br0: port 1(veth0) entered forwarding state
[  873.375683] br0: port 2(veth1) entered blocking state
[  873.375747] br0: port 2(veth1) entered forwarding state
[  875.390544] bond0: (slave veth1): link status definitely up
[  875.390631] bond0: (slave veth1): making interface the new active one
[  875.390688] bond0: active interface up!
[  875.488212] veth1: left allmulticast mode
[  875.488251] veth1: left promiscuous mode
[  875.488311] br0: port 2(veth1) entered disabled state
[  875.488435] veth0: left allmulticast mode
[  875.488465] veth0: left promiscuous mode
[  875.488494] br0: port 1(veth0) entered disabled state
[  875.497715] bond0: (slave veth1): Releasing backup interface
[  875.504634] bond0: (slave veth0): Releasing backup interface
[  875.535572] bond0 (unregistering): Released all slaves