[  516.821393] bond0: (slave eth0): making interface the new active one
[  516.821482] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.053841] bond0: (slave eth0): Releasing backup interface
[  521.158938] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.339168] bond0: (slave eth0): Releasing backup interface
[  525.371120] bond0 (unregistering): Released all slaves