[  768.949934] 8021q: adding VLAN 0 to HW filter on device bond0
[  768.953197] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  768.956506] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  768.959511] br0: port 1(veth0) entered blocking state
[  768.959542] br0: port 1(veth0) entered disabled state
[  768.959577] veth0: entered allmulticast mode
[  768.959639] veth0: entered promiscuous mode
[  768.962693] br0: port 2(veth1) entered blocking state
[  768.962734] br0: port 2(veth1) entered disabled state
[  768.962766] veth1: entered allmulticast mode
[  768.962821] veth1: entered promiscuous mode
[  769.989129] br0: port 1(veth0) entered blocking state
[  769.989190] br0: port 1(veth0) entered forwarding state
[  769.989243] br0: port 2(veth1) entered blocking state
[  769.989272] br0: port 2(veth1) entered forwarding state
[  771.013111] bond0: (slave veth1): link status definitely up
[  771.013229] bond0: (slave veth1): making interface the new active one
[  771.013325] bond0: active interface up!
[  771.109065] veth1: left allmulticast mode
[  771.109139] veth1: left promiscuous mode
[  771.109215] br0: port 2(veth1) entered disabled state
[  771.109443] veth0: left allmulticast mode
[  771.109512] veth0: left promiscuous mode
[  771.109578] br0: port 1(veth0) entered disabled state
[  771.118275] bond0: (slave veth1): Releasing backup interface
[  771.121261] bond0: (slave veth0): Releasing backup interface
[  771.163155] bond0 (unregistering): Released all slaves