[  520.859752] bond0: (slave eth0): making interface the new active one
[  520.859850] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.065981] bond0: (slave eth0): Releasing backup interface
[  525.129726] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.295116] bond0: (slave eth0): Releasing backup interface
[  529.322025] bond0 (unregistering): Released all slaves