[  874.289264] 8021q: adding VLAN 0 to HW filter on device bond0
[  874.292698] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  874.296099] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  874.299429] br0: port 1(veth0) entered blocking state
[  874.299494] br0: port 1(veth0) entered disabled state
[  874.299561] veth0: entered allmulticast mode
[  874.299648] veth0: entered promiscuous mode
[  874.303018] br0: port 2(veth1) entered blocking state
[  874.303047] br0: port 2(veth1) entered disabled state
[  874.303084] veth1: entered allmulticast mode
[  874.303134] veth1: entered promiscuous mode
[  874.436695] br0: port 1(veth0) entered blocking state
[  874.436736] br0: port 1(veth0) entered forwarding state
[  874.436786] br0: port 2(veth1) entered blocking state
[  874.436820] br0: port 2(veth1) entered forwarding state
[  876.356707] bond0: (slave veth1): link status definitely up
[  876.356791] bond0: (slave veth1): making interface the new active one
[  876.356857] bond0: active interface up!
[  876.463593] veth1: left allmulticast mode
[  876.463632] veth1: left promiscuous mode
[  876.463670] br0: port 2(veth1) entered disabled state
[  876.463753] veth0: left allmulticast mode
[  876.463776] veth0: left promiscuous mode
[  876.463803] br0: port 1(veth0) entered disabled state
[  876.471352] bond0: (slave veth1): Releasing backup interface
[  876.475829] bond0: (slave veth0): Releasing backup interface
[  876.502755] bond0 (unregistering): Released all slaves