[  875.841775][ T9478] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  875.945183][ T9479] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  876.044909][ T9480] br0: port 1(veth0) entered blocking state
[  876.045228][ T9480] br0: port 1(veth0) entered disabled state
[  876.045517][ T9480] veth0: entered allmulticast mode
[  876.046753][ T9480] veth0: entered promiscuous mode
[  876.153196][ T9481] br0: port 2(veth1) entered blocking state
[  876.153716][ T9481] br0: port 2(veth1) entered disabled state
[  876.154039][ T9481] veth1: entered allmulticast mode
[  876.155517][ T9481] veth1: entered promiscuous mode
[  876.573147][   T38] br0: port 1(veth0) entered blocking state
[  876.573566][   T38] br0: port 1(veth0) entered forwarding state
[  876.575109][   T38] br0: port 2(veth1) entered blocking state
[  876.575484][   T38] br0: port 2(veth1) entered forwarding state
[  877.828742][ T4723] bond0: (slave veth1): link status definitely up
[  877.829168][ T4723] bond0: (slave veth1): making interface the new active one
[  877.830639][ T4723] bond0: active interface up!
[  878.308708][ T4723] veth1: left allmulticast mode
[  878.309034][ T4723] veth1: left promiscuous mode
[  878.309508][ T4723] br0: port 2(veth1) entered disabled state
[  878.312762][ T4723] veth0: left allmulticast mode
[  878.313061][ T4723] veth0: left promiscuous mode
[  878.313497][ T4723] br0: port 1(veth0) entered disabled state
[  878.472042][ T4723] bond0: (slave veth1): Releasing backup interface
[  878.678046][ T4723] bond0: (slave veth0): Releasing backup interface
[  879.066382][ T4723] bond0 (unregistering): Released all slaves