[  874.158445] 8021q: adding VLAN 0 to HW filter on device bond0
[  874.162329] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  874.166122] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  874.169864] br0: port 1(veth0) entered blocking state
[  874.169902] br0: port 1(veth0) entered disabled state
[  874.169938] veth0: entered allmulticast mode
[  874.170007] veth0: entered promiscuous mode
[  874.173712] br0: port 2(veth1) entered blocking state
[  874.173783] br0: port 2(veth1) entered disabled state
[  874.173855] veth1: entered allmulticast mode
[  874.173951] veth1: entered promiscuous mode
[  874.372270] br0: port 1(veth0) entered blocking state
[  874.372360] br0: port 1(veth0) entered forwarding state
[  874.372449] br0: port 2(veth1) entered blocking state
[  874.372517] br0: port 2(veth1) entered forwarding state
[  876.227253] bond0: (slave veth1): link status definitely up
[  876.227368] bond0: (slave veth1): making interface the new active one
[  876.227428] bond0: active interface up!
[  876.257014] veth1: left allmulticast mode
[  876.257053] veth1: left promiscuous mode
[  876.257094] br0: port 2(veth1) entered disabled state
[  876.257177] veth0: left allmulticast mode
[  876.257204] veth0: left promiscuous mode
[  876.257252] br0: port 1(veth0) entered disabled state
[  876.265516] bond0: (slave veth1): Releasing backup interface
[  876.268389] bond0: (slave veth0): Releasing backup interface
[  876.303301] bond0 (unregistering): Released all slaves