[  518.431576] bond0: (slave eth0): making interface the new active one
[  518.431642] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.652833] bond0: (slave eth0): Releasing backup interface
[  522.765332] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.935110] bond0: (slave eth0): Releasing backup interface
[  526.965022] bond0 (unregistering): Released all slaves