[  770.829434] 8021q: adding VLAN 0 to HW filter on device bond0
[  770.832813] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  770.836096] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  770.839357] br0: port 1(veth0) entered blocking state
[  770.839422] br0: port 1(veth0) entered disabled state
[  770.839490] veth0: entered allmulticast mode
[  770.839585] veth0: entered promiscuous mode
[  770.842888] br0: port 2(veth1) entered blocking state
[  770.842918] br0: port 2(veth1) entered disabled state
[  770.842960] veth1: entered allmulticast mode
[  770.843014] veth1: entered promiscuous mode
[  770.983990] br0: port 1(veth0) entered blocking state
[  770.984033] br0: port 1(veth0) entered forwarding state
[  770.984093] br0: port 2(veth1) entered blocking state
[  770.984128] br0: port 2(veth1) entered forwarding state
[  772.863001] bond0: (slave veth1): link status definitely up
[  772.863105] bond0: (slave veth1): making interface the new active one
[  772.863163] bond0: active interface up!
[  772.895327] veth1: left allmulticast mode
[  772.895367] veth1: left promiscuous mode
[  772.895402] br0: port 2(veth1) entered disabled state
[  772.895553] veth0: left allmulticast mode
[  772.895584] veth0: left promiscuous mode
[  772.895610] br0: port 1(veth0) entered disabled state
[  772.902475] bond0: (slave veth1): Releasing backup interface
[  772.909153] bond0: (slave veth0): Releasing backup interface
[  772.939043] bond0 (unregistering): Released all slaves