[  756.237415] 8021q: adding VLAN 0 to HW filter on device bond0
[  756.247759] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  756.257537] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  756.267501] br0: port 1(veth0) entered blocking state
[  756.267582] br0: port 1(veth0) entered disabled state
[  756.267647] veth0: entered allmulticast mode
[  756.267754] veth0: entered promiscuous mode
[  756.279828] br0: port 2(veth1) entered blocking state
[  756.279937] br0: port 2(veth1) entered disabled state
[  756.279995] veth1: entered allmulticast mode
[  756.280097] veth1: entered promiscuous mode
[  756.710084] br0: port 1(veth0) entered blocking state
[  756.710154] br0: port 1(veth0) entered forwarding state
[  756.710243] br0: port 2(veth1) entered blocking state
[  756.710288] br0: port 2(veth1) entered forwarding state
[  758.262083] bond0: (slave veth1): link status definitely up
[  758.262213] bond0: (slave veth1): making interface the new active one
[  758.262305] bond0: active interface up!
[  758.312405] veth1: left allmulticast mode
[  758.312461] veth1: left promiscuous mode
[  758.312530] br0: port 2(veth1) entered disabled state
[  758.312694] veth0: left allmulticast mode
[  758.312742] veth0: left promiscuous mode
[  758.312787] br0: port 1(veth0) entered disabled state
[  758.332452] bond0: (slave veth1): Releasing backup interface
[  758.339316] bond0: (slave veth0): Releasing backup interface