[  518.624703] bond0: (slave eth0): making interface the new active one
[  518.624800] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.826243] bond0: (slave eth0): Releasing backup interface
[  522.888021] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.055242] bond0: (slave eth0): Releasing backup interface
[  527.092929] bond0 (unregistering): Released all slaves