[  875.629556][ T9447] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  875.714360][ T9448] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  875.821035][ T9449] br0: port 1(veth0) entered blocking state
[  875.821991][ T9449] br0: port 1(veth0) entered disabled state
[  875.822315][ T9449] veth0: entered allmulticast mode
[  875.823758][ T9449] veth0: entered promiscuous mode
[  875.916095][ T9450] br0: port 2(veth1) entered blocking state
[  875.916441][ T9450] br0: port 2(veth1) entered disabled state
[  875.916727][ T9450] veth1: entered allmulticast mode
[  875.918005][ T9450] veth1: entered promiscuous mode
[  876.334841][   T45] br0: port 1(veth0) entered blocking state
[  876.335150][   T45] br0: port 1(veth0) entered forwarding state
[  876.336237][   T45] br0: port 2(veth1) entered blocking state
[  876.336506][   T45] br0: port 2(veth1) entered forwarding state
[  877.597651][ T4592] bond0: (slave veth1): link status definitely up
[  877.598064][ T4592] bond0: (slave veth1): making interface the new active one
[  877.599364][ T4592] bond0: active interface up!
[  877.804261][ T8393] veth1: left allmulticast mode
[  877.804626][ T8393] veth1: left promiscuous mode
[  877.805103][ T8393] br0: port 2(veth1) entered disabled state
[  877.808483][ T8393] veth0: left allmulticast mode
[  877.808803][ T8393] veth0: left promiscuous mode
[  877.809269][ T8393] br0: port 1(veth0) entered disabled state
[  877.950114][ T8393] bond0: (slave veth1): Releasing backup interface
[  878.061369][ T8393] bond0: (slave veth0): Releasing backup interface
[  878.280218][ T8393] bond0 (unregistering): Released all slaves