[  518.811851] bond0: (slave eth0): making interface the new active one
[  518.811914] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.034335] bond0: (slave eth0): Releasing backup interface
[  523.139334] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.313953] bond0: (slave eth0): Releasing backup interface
[  527.345912] bond0 (unregistering): Released all slaves