[  514.863578] bond0: (slave eth0): making interface the new active one
[  514.863667] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.063261] bond0: (slave eth0): Releasing backup interface
[  519.177186] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.346826] bond0: (slave eth0): Releasing backup interface
[  523.372897] bond0 (unregistering): Released all slaves