[  514.050045] bond0: (slave eth0): making interface the new active one
[  514.050109] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.310933] bond0: (slave eth0): Releasing backup interface
[  518.437594] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.647496] bond0: (slave eth0): Releasing backup interface
[  522.675423] bond0 (unregistering): Released all slaves