[  750.096082] 8021q: adding VLAN 0 to HW filter on device bond0
[  750.106749] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  750.118416] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  750.129418] br0: port 1(veth0) entered blocking state
[  750.129483] br0: port 1(veth0) entered disabled state
[  750.129530] veth0: entered allmulticast mode
[  750.129606] veth0: entered promiscuous mode
[  750.141616] br0: port 2(veth1) entered blocking state
[  750.141734] br0: port 2(veth1) entered disabled state
[  750.141821] veth1: entered allmulticast mode
[  750.141936] veth1: entered promiscuous mode
[  751.082020] br0: port 1(veth0) entered blocking state
[  751.082193] br0: port 1(veth0) entered forwarding state
[  751.082311] br0: port 2(veth1) entered blocking state
[  751.082397] br0: port 2(veth1) entered forwarding state
[  752.171040] bond0: (slave veth1): link status definitely up
[  752.171218] bond0: (slave veth1): making interface the new active one
[  752.171375] bond0: active interface up!
[  752.250217] veth1: left allmulticast mode
[  752.250334] veth1: left promiscuous mode
[  752.250418] br0: port 2(veth1) entered disabled state
[  752.250601] veth0: left allmulticast mode
[  752.250687] veth0: left promiscuous mode
[  752.250756] br0: port 1(veth0) entered disabled state
[  752.276325] bond0: (slave veth1): Releasing backup interface
[  752.281191] bond0: (slave veth0): Releasing backup interface
[  752.315283] bond0 (unregistering): Released all slaves