[  518.839169] bond0: (slave eth0): making interface the new active one
[  518.839267] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.097178] bond0: (slave eth0): Releasing backup interface
[  523.203802] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.391145] bond0: (slave eth0): Releasing backup interface
[  527.415965] bond0 (unregistering): Released all slaves