[  514.455871] bond0: (slave eth0): making interface the new active one
[  514.455961] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.678755] bond0: (slave eth0): Releasing backup interface
[  518.793154] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.974605] bond0: (slave eth0): Releasing backup interface
[  523.013931] bond0 (unregistering): Released all slaves