[  753.512348] 8021q: adding VLAN 0 to HW filter on device bond0
[  753.524877] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  753.537118] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  753.550152] br0: port 1(veth0) entered blocking state
[  753.550302] br0: port 1(veth0) entered disabled state
[  753.550404] veth0: entered allmulticast mode
[  753.550546] veth0: entered promiscuous mode
[  753.563151] br0: port 2(veth1) entered blocking state
[  753.563228] br0: port 2(veth1) entered disabled state
[  753.563269] veth1: entered allmulticast mode
[  753.563368] veth1: entered promiscuous mode
[  754.544352] br0: port 1(veth0) entered blocking state
[  754.544524] br0: port 1(veth0) entered forwarding state
[  754.544654] br0: port 2(veth1) entered blocking state
[  754.544739] br0: port 2(veth1) entered forwarding state
[  756.591292] bond0: (slave veth0): link status definitely up
[  756.591452] bond0: (slave veth1): link status definitely up
[  756.591514] bond0: (slave veth0): making interface the new active one
[  756.591627] bond0: active interface up!
[  756.767650] veth1: left allmulticast mode
[  756.768214] veth1: left promiscuous mode
[  756.768363] br0: port 2(veth1) entered disabled state
[  756.768661] veth0: left allmulticast mode
[  756.768744] veth0: left promiscuous mode
[  756.768870] br0: port 1(veth0) entered disabled state
[  756.788896] bond0: (slave veth1): Releasing backup interface
[  756.794902] bond0: (slave veth0): Releasing backup interface
[  756.827769] bond0 (unregistering): Released all slaves