[  514.086846] bond0: (slave eth0): making interface the new active one
[  514.086954] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.290411] bond0: (slave eth0): Releasing backup interface
[  518.375684] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.514438] bond0: (slave eth0): Releasing backup interface
[  522.540299] bond0 (unregistering): Released all slaves