[  514.165780] bond0: (slave eth0): making interface the new active one
[  514.165867] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.368156] bond0: (slave eth0): Releasing backup interface
[  518.479399] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.652881] bond0: (slave eth0): Releasing backup interface
[  522.682810] bond0 (unregistering): Released all slaves