[  518.875079] bond0: (slave eth0): making interface the new active one
[  518.875178] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.099764] bond0: (slave eth0): Releasing backup interface
[  523.207025] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.381968] bond0: (slave eth0): Releasing backup interface
[  527.407858] bond0 (unregistering): Released all slaves