[  874.379972][ T9501] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  874.495179][ T9502] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  874.583919][ T9503] br0: port 1(veth0) entered blocking state
[  874.584263][ T9503] br0: port 1(veth0) entered disabled state
[  874.584511][ T9503] veth0: entered allmulticast mode
[  874.585711][ T9503] veth0: entered promiscuous mode
[  874.675503][ T9504] br0: port 2(veth1) entered blocking state
[  874.675769][ T9504] br0: port 2(veth1) entered disabled state
[  874.676001][ T9504] veth1: entered allmulticast mode
[  874.677308][ T9504] veth1: entered promiscuous mode
[  875.093955][ T8788] br0: port 1(veth0) entered blocking state
[  875.094370][ T8788] br0: port 1(veth0) entered forwarding state
[  875.095917][ T8788] br0: port 2(veth1) entered blocking state
[  875.096292][ T8788] br0: port 2(veth1) entered forwarding state
[  876.301478][ T4222] bond0: (slave veth1): link status definitely up
[  876.301986][ T4222] bond0: (slave veth1): making interface the new active one
[  876.303664][ T4222] bond0: active interface up!
[  876.499088][ T4222] veth1: left allmulticast mode
[  876.499381][ T4222] veth1: left promiscuous mode
[  876.499743][ T4222] br0: port 2(veth1) entered disabled state
[  876.502023][ T4222] veth0: left allmulticast mode
[  876.502294][ T4222] veth0: left promiscuous mode
[  876.502628][ T4222] br0: port 1(veth0) entered disabled state
[  876.614244][ T4222] bond0: (slave veth1): Releasing backup interface
[  876.771589][ T4222] bond0: (slave veth0): Releasing backup interface
[  877.128220][ T4222] bond0 (unregistering): Released all slaves