[  518.857018] bond0: (slave eth0): making interface the new active one
[  518.857101] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.101631] bond0: (slave eth0): Releasing backup interface
[  523.226113] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.439105] bond0: (slave eth0): Releasing backup interface
[  527.463094] bond0 (unregistering): Released all slaves