[  842.140083] 8021q: adding VLAN 0 to HW filter on device bond0
[  842.143680] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  842.147284] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  842.150778] br0: port 1(veth0) entered blocking state
[  842.150840] br0: port 1(veth0) entered disabled state
[  842.150903] veth0: entered allmulticast mode
[  842.150991] veth0: entered promiscuous mode
[  842.154613] br0: port 2(veth1) entered blocking state
[  842.154644] br0: port 2(veth1) entered disabled state
[  842.154679] veth1: entered allmulticast mode
[  842.154730] veth1: entered promiscuous mode
[  843.135510] br0: port 1(veth0) entered blocking state
[  843.135556] br0: port 1(veth0) entered forwarding state
[  843.135600] br0: port 2(veth1) entered blocking state
[  843.135628] br0: port 2(veth1) entered forwarding state
[  844.223510] bond0: (slave veth1): link status definitely up
[  844.223608] bond0: (slave veth1): making interface the new active one
[  844.223669] bond0: active interface up!
[  844.319787] veth1: left allmulticast mode
[  844.319835] veth1: left promiscuous mode
[  844.319867] br0: port 2(veth1) entered disabled state
[  844.319974] veth0: left allmulticast mode
[  844.319998] veth0: left promiscuous mode
[  844.320026] br0: port 1(veth0) entered disabled state
[  844.324660] bond0: (slave veth1): Releasing backup interface
[  844.329000] bond0: (slave veth0): Releasing backup interface
[  844.355527] bond0 (unregistering): Released all slaves