[  874.974158] 8021q: adding VLAN 0 to HW filter on device bond0
[  874.977704] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  874.981400] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  874.984858] br0: port 1(veth0) entered blocking state
[  874.984893] br0: port 1(veth0) entered disabled state
[  874.984929] veth0: entered allmulticast mode
[  874.984991] veth0: entered promiscuous mode
[  874.988681] br0: port 2(veth1) entered blocking state
[  874.988713] br0: port 2(veth1) entered disabled state
[  874.988753] veth1: entered allmulticast mode
[  874.988804] veth1: entered promiscuous mode
[  875.974779] br0: port 1(veth0) entered blocking state
[  875.974834] br0: port 1(veth0) entered forwarding state
[  875.974890] br0: port 2(veth1) entered blocking state
[  875.974918] br0: port 2(veth1) entered forwarding state
[  877.061760] bond0: (slave veth1): link status definitely up
[  877.061886] bond0: (slave veth1): making interface the new active one
[  877.062003] bond0: active interface up!
[  877.158391] veth1: left allmulticast mode
[  877.158473] veth1: left promiscuous mode
[  877.158577] br0: port 2(veth1) entered disabled state
[  877.158748] veth0: left allmulticast mode
[  877.158854] veth0: left promiscuous mode
[  877.158922] br0: port 1(veth0) entered disabled state
[  877.163995] bond0: (slave veth1): Releasing backup interface
[  877.169941] bond0: (slave veth0): Releasing backup interface
[  877.198778] bond0 (unregistering): Released all slaves