[  837.653590] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.657449] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.661225] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.664966] br0: port 1(veth0) entered blocking state
[  837.665010] br0: port 1(veth0) entered disabled state
[  837.665048] veth0: entered allmulticast mode
[  837.665107] veth0: entered promiscuous mode
[  837.668775] br0: port 2(veth1) entered blocking state
[  837.668804] br0: port 2(veth1) entered disabled state
[  837.668837] veth1: entered allmulticast mode
[  837.668897] veth1: entered promiscuous mode
[  837.808896] br0: port 1(veth0) entered blocking state
[  837.808949] br0: port 1(veth0) entered forwarding state
[  837.808999] br0: port 2(veth1) entered blocking state
[  837.809028] br0: port 2(veth1) entered forwarding state
[  839.688886] bond0: (slave veth1): link status definitely up
[  839.688977] bond0: (slave veth1): making interface the new active one
[  839.689037] bond0: active interface up!
[  839.736854] veth1: left allmulticast mode
[  839.736894] veth1: left promiscuous mode
[  839.736928] br0: port 2(veth1) entered disabled state
[  839.737080] veth0: left allmulticast mode
[  839.737099] veth0: left promiscuous mode
[  839.737130] br0: port 1(veth0) entered disabled state
[  839.741026] bond0: (slave veth1): Releasing backup interface
[  839.745993] bond0: (slave veth0): Releasing backup interface
[  839.771900] bond0 (unregistering): Released all slaves