[  514.271974] bond0: (slave eth0): making interface the new active one
[  514.272044] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.490432] bond0: (slave eth0): Releasing backup interface
[  518.599969] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.782678] bond0: (slave eth0): Releasing backup interface
[  522.807927] bond0 (unregistering): Released all slaves