[  900.978757] 8021q: adding VLAN 0 to HW filter on device bond0
[  900.982263] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  900.985747] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  900.989161] br0: port 1(veth0) entered blocking state
[  900.989229] br0: port 1(veth0) entered disabled state
[  900.989300] veth0: entered allmulticast mode
[  900.989392] veth0: entered promiscuous mode
[  900.992854] br0: port 2(veth1) entered blocking state
[  900.992921] br0: port 2(veth1) entered disabled state
[  900.992990] veth1: entered allmulticast mode
[  900.993076] veth1: entered promiscuous mode
[  902.030217] br0: port 1(veth0) entered blocking state
[  902.030313] br0: port 1(veth0) entered forwarding state
[  902.030398] br0: port 2(veth1) entered blocking state
[  902.030461] br0: port 2(veth1) entered forwarding state
[  904.077204] bond0: (slave veth0): link status definitely up
[  904.077274] bond0: (slave veth1): link status definitely up
[  904.077350] bond0: (slave veth0): making interface the new active one
[  904.077404] bond0: active interface up!
[  904.113108] veth1: left allmulticast mode
[  904.113148] veth1: left promiscuous mode
[  904.113221] br0: port 2(veth1) entered disabled state
[  904.113330] veth0: left allmulticast mode
[  904.113359] veth0: left promiscuous mode
[  904.113383] br0: port 1(veth0) entered disabled state
[  904.123375] bond0: (slave veth1): Releasing backup interface
[  904.130300] bond0: (slave veth0): Releasing backup interface
[  904.159221] bond0 (unregistering): Released all slaves