[  523.398835] bond0: (slave eth0): making interface the new active one
[  523.398953] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.563426] bond0: (slave eth0): Releasing backup interface
[  527.624203] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.787641] bond0: (slave eth0): Releasing backup interface
[  531.814682] bond0 (unregistering): Released all slaves