[  903.941284] 8021q: adding VLAN 0 to HW filter on device bond0
[  903.944891] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  903.948990] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  903.952537] br0: port 1(veth0) entered blocking state
[  903.952609] br0: port 1(veth0) entered disabled state
[  903.952677] veth0: entered allmulticast mode
[  903.952778] veth0: entered promiscuous mode
[  903.956384] br0: port 2(veth1) entered blocking state
[  903.956413] br0: port 2(veth1) entered disabled state
[  903.956452] veth1: entered allmulticast mode
[  903.956509] veth1: entered promiscuous mode
[  904.069785] br0: port 1(veth0) entered blocking state
[  904.069857] br0: port 1(veth0) entered forwarding state
[  904.069941] br0: port 2(veth1) entered blocking state
[  904.070004] br0: port 2(veth1) entered forwarding state
[  905.997783] bond0: (slave veth1): link status definitely up
[  905.997878] bond0: (slave veth1): making interface the new active one
[  905.997936] bond0: active interface up!
[  906.013245] veth1: left allmulticast mode
[  906.013281] veth1: left promiscuous mode
[  906.013315] br0: port 2(veth1) entered disabled state
[  906.013471] veth0: left allmulticast mode
[  906.013500] veth0: left promiscuous mode
[  906.013526] br0: port 1(veth0) entered disabled state
[  906.021042] bond0: (slave veth1): Releasing backup interface
[  906.027930] bond0: (slave veth0): Releasing backup interface
[  906.054828] bond0 (unregistering): Released all slaves