[  516.017788] bond0: (slave eth0): making interface the new active one
[  516.017860] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.220232] bond0: (slave eth0): Releasing backup interface
[  520.325779] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.506952] bond0: (slave eth0): Releasing backup interface
[  524.540922] bond0 (unregistering): Released all slaves