[  517.944503] bond0: (slave eth0): making interface the new active one
[  517.944594] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.202771] bond0: (slave eth0): Releasing backup interface
[  522.302384] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.486702] bond0: (slave eth0): Releasing backup interface
[  526.522660] bond0 (unregistering): Released all slaves