[  518.580340] bond0: (slave eth0): making interface the new active one
[  518.580464] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.764817] bond0: (slave eth0): Releasing backup interface
[  522.843511] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.988910] bond0: (slave eth0): Releasing backup interface
[  527.018825] bond0 (unregistering): Released all slaves