[  518.526325] bond0: (slave eth0): making interface the new active one
[  518.526550] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.707011] bond0: (slave eth0): Releasing backup interface
[  522.796606] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.997781] bond0: (slave eth0): Releasing backup interface
[  527.030695] bond0 (unregistering): Released all slaves