[  506.556156] bond0: (slave eth0): making interface the new active one
[  506.556237] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.733788] bond0: (slave eth0): Releasing backup interface
[  510.803779] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.958498] bond0: (slave eth0): Releasing backup interface
[  514.986391] bond0 (unregistering): Released all slaves