[  917.879888][ T7839] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  918.009378][ T7840] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  918.130206][ T7841] br0: port 1(veth0) entered blocking state
[  918.131032][ T7841] br0: port 1(veth0) entered disabled state
[  918.131253][ T7841] veth0: entered allmulticast mode
[  918.132567][ T7841] veth0: entered promiscuous mode
[  918.259729][ T7842] br0: port 2(veth1) entered blocking state
[  918.260012][ T7842] br0: port 2(veth1) entered disabled state
[  918.260216][ T7842] veth1: entered allmulticast mode
[  918.262072][ T7842] veth1: entered promiscuous mode
[  918.519778][   T49] br0: port 1(veth0) entered blocking state
[  918.520047][   T49] br0: port 1(veth0) entered forwarding state
[  918.521988][   T49] br0: port 2(veth1) entered blocking state
[  918.522170][   T49] br0: port 2(veth1) entered forwarding state
[  919.785054][ T4697] bond0: (slave veth1): link status definitely up
[  919.785380][ T4697] bond0: (slave veth1): making interface the new active one
[  919.786146][ T4697] bond0: active interface up!
[  920.148943][ T4697] veth1: left allmulticast mode
[  920.149135][ T4697] veth1: left promiscuous mode
[  920.149446][ T4697] br0: port 2(veth1) entered disabled state
[  920.151166][ T4697] veth0: left allmulticast mode
[  920.151391][ T4697] veth0: left promiscuous mode
[  920.151641][ T4697] br0: port 1(veth0) entered disabled state
[  920.188471][ T4697] bond0: (slave veth1): Releasing backup interface
[  920.211858][ T4697] bond0: (slave veth0): Releasing backup interface
[  920.305399][ T4697] bond0 (unregistering): Released all slaves