[  515.937623] bond0: (slave eth0): making interface the new active one
[  515.937725] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.141869] bond0: (slave eth0): Releasing backup interface
[  520.226193] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.369297] bond0: (slave eth0): Releasing backup interface
[  524.401283] bond0 (unregistering): Released all slaves