[  507.687435] bond0: (slave eth0): making interface the new active one
[  507.687548] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.890579] bond0: (slave eth0): Releasing backup interface
[  511.975449] bond0: (slave eth0): Enslaving as an active interface with an up link
[  516.182847] bond0: (slave eth0): Releasing backup interface
[  516.213799] bond0 (unregistering): Released all slaves