[  514.429665] bond0: (slave eth0): making interface the new active one
[  514.429742] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.613533] bond0: (slave eth0): Releasing backup interface
[  518.702232] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.910265] bond0: (slave eth0): Releasing backup interface
[  522.945980] bond0 (unregistering): Released all slaves