[  747.678060] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  747.698090] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  747.716299] br0: port 1(veth0) entered blocking state
[  747.716477] br0: port 1(veth0) entered disabled state
[  747.716556] veth0: entered allmulticast mode
[  747.716685] veth0: entered promiscuous mode
[  747.733856] br0: port 2(veth1) entered blocking state
[  747.733974] br0: port 2(veth1) entered disabled state
[  747.734043] veth1: entered allmulticast mode
[  747.734149] veth1: entered promiscuous mode
[  748.659853] br0: port 1(veth0) entered blocking state
[  748.659975] br0: port 1(veth0) entered forwarding state
[  748.660073] br0: port 2(veth1) entered blocking state
[  748.660116] br0: port 2(veth1) entered forwarding state
[  749.747824] bond0: (slave veth1): link status definitely up
[  749.747969] bond0: (slave veth1): making interface the new active one
[  749.748065] bond0: active interface up!
[  749.864434] veth1: left allmulticast mode
[  749.864488] veth1: left promiscuous mode
[  749.864548] br0: port 2(veth1) entered disabled state
[  749.864698] veth0: left allmulticast mode
[  749.864735] veth0: left promiscuous mode
[  749.864789] br0: port 1(veth0) entered disabled state
[  749.883638] bond0: (slave veth1): Releasing backup interface
[  749.887004] bond0: (slave veth0): Releasing backup interface
[  749.925074] bond0 (unregistering): Released all slaves