[  514.193467] bond0: (slave eth0): making interface the new active one
[  514.193563] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.432142] bond0: (slave eth0): Releasing backup interface
[  518.565710] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.788883] bond0: (slave eth0): Releasing backup interface
[  522.817843] bond0 (unregistering): Released all slaves