[  770.219864] 8021q: adding VLAN 0 to HW filter on device bond0
[  770.222869] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  770.225876] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  770.228805] br0: port 1(veth0) entered blocking state
[  770.228870] br0: port 1(veth0) entered disabled state
[  770.228954] veth0: entered allmulticast mode
[  770.229042] veth0: entered promiscuous mode
[  770.232006] br0: port 2(veth1) entered blocking state
[  770.232037] br0: port 2(veth1) entered disabled state
[  770.232067] veth1: entered allmulticast mode
[  770.232119] veth1: entered promiscuous mode
[  771.262903] br0: port 1(veth0) entered blocking state
[  771.262941] br0: port 1(veth0) entered forwarding state
[  771.262986] br0: port 2(veth1) entered blocking state
[  771.263013] br0: port 2(veth1) entered forwarding state
[  772.286899] bond0: (slave veth1): link status definitely up
[  772.286999] bond0: (slave veth1): making interface the new active one
[  772.287056] bond0: active interface up!
[  772.364987] veth1: left allmulticast mode
[  772.365015] veth1: left promiscuous mode
[  772.365042] br0: port 2(veth1) entered disabled state
[  772.365214] veth0: left allmulticast mode
[  772.365242] veth0: left promiscuous mode
[  772.365270] br0: port 1(veth0) entered disabled state
[  772.375021] bond0: (slave veth1): Releasing backup interface
[  772.378007] bond0: (slave veth0): Releasing backup interface
[  772.404923] bond0 (unregistering): Released all slaves