[  523.574251] bond0: (slave eth0): making interface the new active one
[  523.574357] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.759331] bond0: (slave eth0): Releasing backup interface
[  527.824986] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.986911] bond0: (slave eth0): Releasing backup interface
[  532.007845] bond0 (unregistering): Released all slaves