[  518.609026] bond0: (slave eth0): making interface the new active one
[  518.609096] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.835367] bond0: (slave eth0): Releasing backup interface
[  522.948221] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.119011] bond0: (slave eth0): Releasing backup interface
[  527.148034] bond0 (unregistering): Released all slaves