[  840.728840] 8021q: adding VLAN 0 to HW filter on device bond0
[  840.732848] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  840.736469] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  840.740112] br0: port 1(veth0) entered blocking state
[  840.740147] br0: port 1(veth0) entered disabled state
[  840.740182] veth0: entered allmulticast mode
[  840.740239] veth0: entered promiscuous mode
[  840.743952] br0: port 2(veth1) entered blocking state
[  840.744013] br0: port 2(veth1) entered disabled state
[  840.744078] veth1: entered allmulticast mode
[  840.744168] veth1: entered promiscuous mode
[  841.728810] br0: port 1(veth0) entered blocking state
[  841.728897] br0: port 1(veth0) entered forwarding state
[  841.728979] br0: port 2(veth1) entered blocking state
[  841.729042] br0: port 2(veth1) entered forwarding state
[  842.816777] bond0: (slave veth1): link status definitely up
[  842.816870] bond0: (slave veth1): making interface the new active one
[  842.816931] bond0: active interface up!
[  842.903293] veth1: left allmulticast mode
[  842.903325] veth1: left promiscuous mode
[  842.903352] br0: port 2(veth1) entered disabled state
[  842.903483] veth0: left allmulticast mode
[  842.903519] veth0: left promiscuous mode
[  842.903547] br0: port 1(veth0) entered disabled state
[  842.907974] bond0: (slave veth1): Releasing backup interface
[  842.910956] bond0: (slave veth0): Releasing backup interface
[  842.937812] bond0 (unregistering): Released all slaves