[  871.836018] 8021q: adding VLAN 0 to HW filter on device bond0
[  871.839456] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  871.842894] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  871.846222] br0: port 1(veth0) entered blocking state
[  871.846284] br0: port 1(veth0) entered disabled state
[  871.846349] veth0: entered allmulticast mode
[  871.846444] veth0: entered promiscuous mode
[  871.849884] br0: port 2(veth1) entered blocking state
[  871.849914] br0: port 2(veth1) entered disabled state
[  871.849953] veth1: entered allmulticast mode
[  871.850004] veth1: entered promiscuous mode
[  872.101840] br0: port 1(veth0) entered blocking state
[  872.101920] br0: port 1(veth0) entered forwarding state
[  872.102004] br0: port 2(veth1) entered blocking state
[  872.102067] br0: port 2(veth1) entered forwarding state
[  873.916834] bond0: (slave veth1): link status definitely up
[  873.916936] bond0: (slave veth1): making interface the new active one
[  873.916989] bond0: active interface up!
[  874.002417] veth1: left allmulticast mode
[  874.002463] veth1: left promiscuous mode
[  874.002499] br0: port 2(veth1) entered disabled state
[  874.002579] veth0: left allmulticast mode
[  874.002603] veth0: left promiscuous mode
[  874.002627] br0: port 1(veth0) entered disabled state
[  874.009332] bond0: (slave veth1): Releasing backup interface
[  874.012963] bond0: (slave veth0): Releasing backup interface
[  874.040856] bond0 (unregistering): Released all slaves