[  514.735234] bond0: (slave eth0): making interface the new active one
[  514.735329] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.938996] bond0: (slave eth0): Releasing backup interface
[  519.048458] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.234180] bond0: (slave eth0): Releasing backup interface
[  523.260119] bond0 (unregistering): Released all slaves