[  876.869321][ T9452] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  876.954877][ T9453] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  877.081270][ T9454] br0: port 1(veth0) entered blocking state
[  877.081586][ T9454] br0: port 1(veth0) entered disabled state
[  877.081849][ T9454] veth0: entered allmulticast mode
[  877.083069][ T9454] veth0: entered promiscuous mode
[  877.181319][ T9455] br0: port 2(veth1) entered blocking state
[  877.181728][ T9455] br0: port 2(veth1) entered disabled state
[  877.182122][ T9455] veth1: entered allmulticast mode
[  877.184561][ T9455] veth1: entered promiscuous mode
[  877.543833][   T38] br0: port 1(veth0) entered blocking state
[  877.544120][   T38] br0: port 1(veth0) entered forwarding state
[  877.545095][   T38] br0: port 2(veth1) entered blocking state
[  877.545348][   T38] br0: port 2(veth1) entered forwarding state
[  878.784998][  T279] bond0: (slave veth1): link status definitely up
[  878.785659][  T279] bond0: (slave veth1): making interface the new active one
[  878.787466][  T279] bond0: active interface up!
[  879.001420][ T8541] veth1: left allmulticast mode
[  879.001689][ T8541] veth1: left promiscuous mode
[  879.002123][ T8541] br0: port 2(veth1) entered disabled state
[  879.005019][ T8541] veth0: left allmulticast mode
[  879.005331][ T8541] veth0: left promiscuous mode
[  879.005967][ T8541] br0: port 1(veth0) entered disabled state
[  879.178708][ T8541] bond0: (slave veth1): Releasing backup interface
[  879.352731][ T8541] bond0: (slave veth0): Releasing backup interface
[  879.744495][ T8541] bond0 (unregistering): Released all slaves