[  518.741272] bond0: (slave eth0): making interface the new active one
[  518.741375] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.886789] bond0: (slave eth0): Releasing backup interface
[  522.959693] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.119305] bond0: (slave eth0): Releasing backup interface
[  527.149803] bond0 (unregistering): Released all slaves