[  523.707298] bond0: (slave eth0): making interface the new active one
[  523.707388] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.887724] bond0: (slave eth0): Releasing backup interface
[  527.968299] bond0: (slave eth0): Enslaving as an active interface with an up link
[  532.117154] bond0: (slave eth0): Releasing backup interface
[  532.157977] bond0 (unregistering): Released all slaves