[  866.843624][ T9424] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  866.949891][ T9425] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  867.065169][ T9426] br0: port 1(veth0) entered blocking state
[  867.065438][ T9426] br0: port 1(veth0) entered disabled state
[  867.065696][ T9426] veth0: entered allmulticast mode
[  867.066982][ T9426] veth0: entered promiscuous mode
[  867.160441][ T9427] br0: port 2(veth1) entered blocking state
[  867.160812][ T9427] br0: port 2(veth1) entered disabled state
[  867.161059][ T9427] veth1: entered allmulticast mode
[  867.162251][ T9427] veth1: entered promiscuous mode
[  867.577207][ T8522] br0: port 1(veth0) entered blocking state
[  867.577453][ T8522] br0: port 1(veth0) entered forwarding state
[  867.578365][ T8522] br0: port 2(veth1) entered blocking state
[  867.578565][ T8522] br0: port 2(veth1) entered forwarding state
[  868.795235][ T4205] bond0: (slave veth1): link status definitely up
[  868.795626][ T4205] bond0: (slave veth1): making interface the new active one
[  868.796672][ T4205] bond0: active interface up!
[  869.203816][ T4205] veth1: left allmulticast mode
[  869.204049][ T4205] veth1: left promiscuous mode
[  869.204348][ T4205] br0: port 2(veth1) entered disabled state
[  869.206057][ T4205] veth0: left allmulticast mode
[  869.206244][ T4205] veth0: left promiscuous mode
[  869.206506][ T4205] br0: port 1(veth0) entered disabled state
[  869.353282][ T4205] bond0: (slave veth1): Releasing backup interface
[  869.537095][ T4205] bond0: (slave veth0): Releasing backup interface
[  869.940477][ T4205] bond0 (unregistering): Released all slaves