[  518.075687] bond0: (slave eth0): making interface the new active one
[  518.075775] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.333175] bond0: (slave eth0): Releasing backup interface
[  522.459271] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.682001] bond0: (slave eth0): Releasing backup interface
[  526.706916] bond0 (unregistering): Released all slaves