[  749.696438] 8021q: adding VLAN 0 to HW filter on device bond0
[  749.707199] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  749.718457] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  749.729627] br0: port 1(veth0) entered blocking state
[  749.729698] br0: port 1(veth0) entered disabled state
[  749.729760] veth0: entered allmulticast mode
[  749.729859] veth0: entered promiscuous mode
[  749.740805] br0: port 2(veth1) entered blocking state
[  749.740872] br0: port 2(veth1) entered disabled state
[  749.740925] veth1: entered allmulticast mode
[  749.741019] veth1: entered promiscuous mode
[  750.684217] br0: port 1(veth0) entered blocking state
[  750.684331] br0: port 1(veth0) entered forwarding state
[  750.684463] br0: port 2(veth1) entered blocking state
[  750.684543] br0: port 2(veth1) entered forwarding state
[  751.773272] bond0: (slave veth1): link status definitely up
[  751.773445] bond0: (slave veth1): making interface the new active one
[  751.773544] bond0: active interface up!
[  751.857249] veth1: left allmulticast mode
[  751.857366] veth1: left promiscuous mode
[  751.857434] br0: port 2(veth1) entered disabled state
[  751.857579] veth0: left allmulticast mode
[  751.857628] veth0: left promiscuous mode
[  751.857701] br0: port 1(veth0) entered disabled state
[  751.876036] bond0: (slave veth1): Releasing backup interface
[  751.878455] bond0: (slave veth0): Releasing backup interface
[  751.917539] bond0 (unregistering): Released all slaves