[  518.621856] bond0: (slave eth0): making interface the new active one
[  518.621945] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.768708] bond0: (slave eth0): Releasing backup interface
[  522.846546] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.000652] bond0: (slave eth0): Releasing backup interface
[  527.035585] bond0 (unregistering): Released all slaves