[  753.947434] 8021q: adding VLAN 0 to HW filter on device bond0
[  753.950608] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  753.953771] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  753.956807] br0: port 1(veth0) entered blocking state
[  753.956852] br0: port 1(veth0) entered disabled state
[  753.956881] veth0: entered allmulticast mode
[  753.956936] veth0: entered promiscuous mode
[  753.960044] br0: port 2(veth1) entered blocking state
[  753.960106] br0: port 2(veth1) entered disabled state
[  753.960168] veth1: entered allmulticast mode
[  753.960254] veth1: entered promiscuous mode
[  754.946063] br0: port 1(veth0) entered blocking state
[  754.946122] br0: port 1(veth0) entered forwarding state
[  754.946168] br0: port 2(veth1) entered blocking state
[  754.946201] br0: port 2(veth1) entered forwarding state
[  756.034048] bond0: (slave veth1): link status definitely up
[  756.034162] bond0: (slave veth1): making interface the new active one
[  756.034237] bond0: active interface up!
[  756.111601] veth1: left allmulticast mode
[  756.111642] veth1: left promiscuous mode
[  756.111730] br0: port 2(veth1) entered disabled state
[  756.111816] veth0: left allmulticast mode
[  756.111846] veth0: left promiscuous mode
[  756.111872] br0: port 1(veth0) entered disabled state
[  756.132266] bond0: (slave veth1): Releasing backup interface
[  756.139245] bond0: (slave veth0): Releasing backup interface
[  756.165197] bond0 (unregistering): Released all slaves