[  514.386638] bond0: (slave eth0): making interface the new active one
[  514.386742] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.545951] bond0: (slave eth0): Releasing backup interface
[  518.605945] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.785792] bond0: (slave eth0): Releasing backup interface
[  522.806387] bond0 (unregistering): Released all slaves