[  518.941015] bond0: (slave eth0): making interface the new active one
[  518.941087] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.162357] bond0: (slave eth0): Releasing backup interface
[  523.263810] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.444911] bond0: (slave eth0): Releasing backup interface
[  527.484882] bond0 (unregistering): Released all slaves