[  523.024005] bond0: (slave eth0): making interface the new active one
[  523.024097] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.183866] bond0: (slave eth0): Releasing backup interface
[  527.267366] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.412773] bond0: (slave eth0): Releasing backup interface
[  531.437513] bond0 (unregistering): Released all slaves