[  518.426458] bond0: (slave eth0): making interface the new active one
[  518.426544] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.580121] bond0: (slave eth0): Releasing backup interface
[  522.655701] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.813430] bond0: (slave eth0): Releasing backup interface
[  526.841152] bond0 (unregistering): Released all slaves