[  514.263347] bond0: (slave eth0): making interface the new active one
[  514.263416] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.473894] bond0: (slave eth0): Releasing backup interface
[  518.545709] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.705126] bond0: (slave eth0): Releasing backup interface
[  522.730542] bond0 (unregistering): Released all slaves