[  518.060574] bond0: (slave eth0): making interface the new active one
[  518.060674] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.250581] bond0: (slave eth0): Releasing backup interface
[  522.325808] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.479119] bond0: (slave eth0): Releasing backup interface
[  526.504016] bond0 (unregistering): Released all slaves