[  872.460515] 8021q: adding VLAN 0 to HW filter on device bond0
[  872.464369] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  872.468076] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  872.471572] br0: port 1(veth0) entered blocking state
[  872.471639] br0: port 1(veth0) entered disabled state
[  872.471709] veth0: entered allmulticast mode
[  872.471805] veth0: entered promiscuous mode
[  872.475550] br0: port 2(veth1) entered blocking state
[  872.475634] br0: port 2(veth1) entered disabled state
[  872.475733] veth1: entered allmulticast mode
[  872.475827] veth1: entered promiscuous mode
[  872.543925] br0: port 1(veth0) entered blocking state
[  872.544014] br0: port 1(veth0) entered forwarding state
[  872.544099] br0: port 2(veth1) entered blocking state
[  872.544162] br0: port 2(veth1) entered forwarding state
[  874.494917] bond0: (slave veth1): link status definitely up
[  874.495012] bond0: (slave veth1): making interface the new active one
[  874.495067] bond0: active interface up!
[  874.530550] veth1: left allmulticast mode
[  874.530587] veth1: left promiscuous mode
[  874.530652] br0: port 2(veth1) entered disabled state
[  874.530776] veth0: left allmulticast mode
[  874.530806] veth0: left promiscuous mode
[  874.530833] br0: port 1(veth0) entered disabled state
[  874.539037] bond0: (slave veth1): Releasing backup interface
[  874.547022] bond0: (slave veth0): Releasing backup interface
[  874.581950] bond0 (unregistering): Released all slaves