[  518.804634] bond0: (slave eth0): making interface the new active one
[  518.804721] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.036229] bond0: (slave eth0): Releasing backup interface
[  523.150007] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.380194] bond0: (slave eth0): Releasing backup interface
[  527.413112] bond0 (unregistering): Released all slaves