[  870.307683] 8021q: adding VLAN 0 to HW filter on device bond0
[  870.310741] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  870.313802] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  870.316787] br0: port 1(veth0) entered blocking state
[  870.316820] br0: port 1(veth0) entered disabled state
[  870.316853] veth0: entered allmulticast mode
[  870.316910] veth0: entered promiscuous mode
[  870.319911] br0: port 2(veth1) entered blocking state
[  870.319975] br0: port 2(veth1) entered disabled state
[  870.320043] veth1: entered allmulticast mode
[  870.320146] veth1: entered promiscuous mode
[  871.307480] br0: port 1(veth0) entered blocking state
[  871.307565] br0: port 1(veth0) entered forwarding state
[  871.307653] br0: port 2(veth1) entered blocking state
[  871.307721] br0: port 2(veth1) entered forwarding state
[  872.394455] bond0: (slave veth1): link status definitely up
[  872.394547] bond0: (slave veth1): making interface the new active one
[  872.394606] bond0: active interface up!
[  872.456108] veth1: left allmulticast mode
[  872.456147] veth1: left promiscuous mode
[  872.456178] br0: port 2(veth1) entered disabled state
[  872.456258] veth0: left allmulticast mode
[  872.456279] veth0: left promiscuous mode
[  872.456305] br0: port 1(veth0) entered disabled state
[  872.465610] bond0: (slave veth1): Releasing backup interface
[  872.472549] bond0: (slave veth0): Releasing backup interface
[  872.500470] bond0 (unregistering): Released all slaves