[  872.543990] 8021q: adding VLAN 0 to HW filter on device bond0
[  872.547486] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  872.550969] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  872.554378] br0: port 1(veth0) entered blocking state
[  872.554441] br0: port 1(veth0) entered disabled state
[  872.554515] veth0: entered allmulticast mode
[  872.554603] veth0: entered promiscuous mode
[  872.558001] br0: port 2(veth1) entered blocking state
[  872.558033] br0: port 2(veth1) entered disabled state
[  872.558067] veth1: entered allmulticast mode
[  872.558108] veth1: entered promiscuous mode
[  872.705497] br0: port 1(veth0) entered blocking state
[  872.705539] br0: port 1(veth0) entered forwarding state
[  872.705581] br0: port 2(veth1) entered blocking state
[  872.705608] br0: port 2(veth1) entered forwarding state
[  874.626486] bond0: (slave veth1): link status definitely up
[  874.626574] bond0: (slave veth1): making interface the new active one
[  874.626665] bond0: active interface up!
[  874.714577] veth1: left allmulticast mode
[  874.714641] veth1: left promiscuous mode
[  874.714727] br0: port 2(veth1) entered disabled state
[  874.714883] veth0: left allmulticast mode
[  874.714948] veth0: left promiscuous mode
[  874.715012] br0: port 1(veth0) entered disabled state
[  874.722981] bond0: (slave veth1): Releasing backup interface
[  874.728600] bond0: (slave veth0): Releasing backup interface
[  874.760532] bond0 (unregistering): Released all slaves