[  535.428757] bond0: (slave eth0): making interface the new active one
[  535.428902] bond0: (slave eth0): Enslaving as an active interface with an up link
[  539.735352] bond0: (slave eth0): Releasing backup interface
[  539.854427] bond0: (slave eth0): Enslaving as an active interface with an up link
[  544.027851] bond0: (slave eth0): Releasing backup interface
[  544.058852] bond0 (unregistering): Released all slaves