[  522.101119] bond0: (slave eth0): making interface the new active one
[  522.101228] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.285265] bond0: (slave eth0): Releasing backup interface
[  526.352445] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.515994] bond0: (slave eth0): Releasing backup interface
[  530.539899] bond0 (unregistering): Released all slaves