[  516.767393] bond0: (slave eth0): making interface the new active one
[  516.767522] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.973419] bond0: (slave eth0): Releasing backup interface
[  521.060927] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.257214] bond0: (slave eth0): Releasing backup interface
[  525.274165] bond0 (unregistering): Released all slaves