[  837.017718] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.021470] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.025177] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.028834] br0: port 1(veth0) entered blocking state
[  837.028880] br0: port 1(veth0) entered disabled state
[  837.028913] veth0: entered allmulticast mode
[  837.028968] veth0: entered promiscuous mode
[  837.032630] br0: port 2(veth1) entered blocking state
[  837.032675] br0: port 2(veth1) entered disabled state
[  837.032707] veth1: entered allmulticast mode
[  837.032760] veth1: entered promiscuous mode
[  837.424212] br0: port 1(veth0) entered blocking state
[  837.424258] br0: port 1(veth0) entered forwarding state
[  837.424304] br0: port 2(veth1) entered blocking state
[  837.424333] br0: port 2(veth1) entered forwarding state
[  839.049205] bond0: (slave veth1): link status definitely up
[  839.049307] bond0: (slave veth1): making interface the new active one
[  839.049366] bond0: active interface up!
[  839.087957] veth1: left allmulticast mode
[  839.087993] veth1: left promiscuous mode
[  839.088057] br0: port 2(veth1) entered disabled state
[  839.088177] veth0: left allmulticast mode
[  839.088224] veth0: left promiscuous mode
[  839.088284] br0: port 1(veth0) entered disabled state
[  839.097396] bond0: (slave veth1): Releasing backup interface
[  839.101309] bond0: (slave veth0): Releasing backup interface
[  839.126244] bond0 (unregistering): Released all slaves