[  900.463077] 8021q: adding VLAN 0 to HW filter on device bond0
[  900.467078] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  900.471166] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  900.474898] br0: port 1(veth0) entered blocking state
[  900.474959] br0: port 1(veth0) entered disabled state
[  900.475040] veth0: entered allmulticast mode
[  900.475137] veth0: entered promiscuous mode
[  900.479112] br0: port 2(veth1) entered blocking state
[  900.479213] br0: port 2(veth1) entered disabled state
[  900.479330] veth1: entered allmulticast mode
[  900.479463] veth1: entered promiscuous mode
[  900.653151] br0: port 1(veth0) entered blocking state
[  900.653201] br0: port 1(veth0) entered forwarding state
[  900.653245] br0: port 2(veth1) entered blocking state
[  900.653275] br0: port 2(veth1) entered forwarding state
[  902.532222] bond0: (slave veth1): link status definitely up
[  902.532318] bond0: (slave veth1): making interface the new active one
[  902.532376] bond0: active interface up!
[  902.542379] veth1: left allmulticast mode
[  902.542412] veth1: left promiscuous mode
[  902.542442] br0: port 2(veth1) entered disabled state
[  902.542584] veth0: left allmulticast mode
[  902.542613] veth0: left promiscuous mode
[  902.542640] br0: port 1(veth0) entered disabled state
[  902.547378] bond0: (slave veth1): Releasing backup interface
[  902.552283] bond0: (slave veth0): Releasing backup interface
[  902.582182] bond0 (unregistering): Released all slaves