[  518.599142] bond0: (slave eth0): making interface the new active one
[  518.599220] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.845004] bond0: (slave eth0): Releasing backup interface
[  522.955157] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.124841] bond0: (slave eth0): Releasing backup interface
[  527.150748] bond0 (unregistering): Released all slaves