[  518.506203] bond0: (slave eth0): making interface the new active one
[  518.506275] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.712858] bond0: (slave eth0): Releasing backup interface
[  522.815168] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.996158] bond0: (slave eth0): Releasing backup interface
[  527.028072] bond0 (unregistering): Released all slaves