[  516.747621] bond0: (slave eth0): making interface the new active one
[  516.747716] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.984956] bond0: (slave eth0): Releasing backup interface
[  521.087844] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.276994] bond0: (slave eth0): Releasing backup interface
[  525.308965] bond0 (unregistering): Released all slaves