[  516.576698] bond0: (slave eth0): making interface the new active one
[  516.576802] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.803654] bond0: (slave eth0): Releasing backup interface
[  520.923010] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.084287] bond0: (slave eth0): Releasing backup interface
[  525.112160] bond0 (unregistering): Released all slaves