[  518.380006] bond0: (slave eth0): making interface the new active one
[  518.380081] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.574775] bond0: (slave eth0): Releasing backup interface
[  522.658308] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.803380] bond0: (slave eth0): Releasing backup interface
[  526.827754] bond0 (unregistering): Released all slaves