[  518.945668] bond0: (slave eth0): making interface the new active one
[  518.945765] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.164506] bond0: (slave eth0): Releasing backup interface
[  523.274902] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.453157] bond0: (slave eth0): Releasing backup interface
[  527.478954] bond0 (unregistering): Released all slaves