[  518.977963] bond0: (slave eth0): making interface the new active one
[  518.978093] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.141788] bond0: (slave eth0): Releasing backup interface
[  523.198113] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.369702] bond0: (slave eth0): Releasing backup interface
[  527.395612] bond0 (unregistering): Released all slaves