[  516.581258] bond0: (slave eth0): making interface the new active one
[  516.581383] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.855659] bond0: (slave eth0): Releasing backup interface
[  520.973816] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.143178] bond0: (slave eth0): Releasing backup interface
[  525.174100] bond0 (unregistering): Released all slaves