[  871.778130] 8021q: adding VLAN 0 to HW filter on device bond0
[  871.781104] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  871.784065] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  871.786956] br0: port 1(veth0) entered blocking state
[  871.786992] br0: port 1(veth0) entered disabled state
[  871.787028] veth0: entered allmulticast mode
[  871.787089] veth0: entered promiscuous mode
[  871.790006] br0: port 2(veth1) entered blocking state
[  871.790073] br0: port 2(veth1) entered disabled state
[  871.790143] veth1: entered allmulticast mode
[  871.790244] veth1: entered promiscuous mode
[  872.833216] br0: port 1(veth0) entered blocking state
[  872.833316] br0: port 1(veth0) entered forwarding state
[  872.833405] br0: port 2(veth1) entered blocking state
[  872.833471] br0: port 2(veth1) entered forwarding state
[  873.857184] bond0: (slave veth1): link status definitely up
[  873.857304] bond0: (slave veth1): making interface the new active one
[  873.857401] bond0: active interface up!
[  873.932112] veth1: left allmulticast mode
[  873.932191] veth1: left promiscuous mode
[  873.932258] br0: port 2(veth1) entered disabled state
[  873.932541] veth0: left allmulticast mode
[  873.932629] veth0: left promiscuous mode
[  873.932738] br0: port 1(veth0) entered disabled state
[  873.940345] bond0: (slave veth1): Releasing backup interface
[  873.944306] bond0: (slave veth0): Releasing backup interface
[  873.971222] bond0 (unregistering): Released all slaves