[  516.205893] bond0: (slave eth0): making interface the new active one
[  516.205984] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.411516] bond0: (slave eth0): Releasing backup interface
[  520.533456] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.764826] bond0: (slave eth0): Releasing backup interface
[  524.798897] bond0 (unregistering): Released all slaves