[  523.195850] bond0: (slave eth0): making interface the new active one
[  523.195928] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.372738] bond0: (slave eth0): Releasing backup interface
[  527.446301] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.596941] bond0: (slave eth0): Releasing backup interface
[  531.618901] bond0 (unregistering): Released all slaves