[  523.660047] bond0: (slave eth0): making interface the new active one
[  523.660159] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.821160] bond0: (slave eth0): Releasing backup interface
[  527.879435] bond0: (slave eth0): Enslaving as an active interface with an up link
[  532.048328] bond0: (slave eth0): Releasing backup interface
[  532.076361] bond0 (unregistering): Released all slaves