[  518.633283] bond0: (slave eth0): making interface the new active one
[  518.633373] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.831221] bond0: (slave eth0): Releasing backup interface
[  522.895384] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.057125] bond0: (slave eth0): Releasing backup interface
[  527.087031] bond0 (unregistering): Released all slaves