[  516.669689] bond0: (slave eth0): making interface the new active one
[  516.669791] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.850801] bond0: (slave eth0): Releasing backup interface
[  520.924945] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.082239] bond0: (slave eth0): Releasing backup interface
[  525.113228] bond0 (unregistering): Released all slaves