[  514.077817] bond0: (slave eth0): making interface the new active one
[  514.077930] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.318945] bond0: (slave eth0): Releasing backup interface
[  518.430947] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.596192] bond0: (slave eth0): Releasing backup interface
[  522.630109] bond0 (unregistering): Released all slaves