[  753.694518] 8021q: adding VLAN 0 to HW filter on device bond0
[  753.703803] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  753.712840] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  753.721939] br0: port 1(veth0) entered blocking state
[  753.722046] br0: port 1(veth0) entered disabled state
[  753.722115] veth0: entered allmulticast mode
[  753.722214] veth0: entered promiscuous mode
[  753.731767] br0: port 2(veth1) entered blocking state
[  753.731824] br0: port 2(veth1) entered disabled state
[  753.731868] veth1: entered allmulticast mode
[  753.731939] veth1: entered promiscuous mode
[  754.021216] br0: port 1(veth0) entered blocking state
[  754.021287] br0: port 1(veth0) entered forwarding state
[  754.021369] br0: port 2(veth1) entered blocking state
[  754.021447] br0: port 2(veth1) entered forwarding state
[  755.766244] bond0: (slave veth1): link status definitely up
[  755.766377] bond0: (slave veth1): making interface the new active one
[  755.766499] bond0: active interface up!
[  755.934051] veth1: left allmulticast mode
[  755.934122] veth1: left promiscuous mode
[  755.934343] br0: port 2(veth1) entered disabled state
[  755.934718] veth0: left allmulticast mode
[  755.934853] veth0: left promiscuous mode
[  755.934971] br0: port 1(veth0) entered disabled state
[  755.970336] bond0: (slave veth1): Releasing backup interface
[  755.974710] bond0: (slave veth0): Releasing backup interface
[  756.013869] bond0 (unregistering): Released all slaves