[  518.143632] bond0: (slave eth0): making interface the new active one
[  518.143789] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.328674] bond0: (slave eth0): Releasing backup interface
[  522.408763] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.619620] bond0: (slave eth0): Releasing backup interface
[  526.648461] bond0 (unregistering): Released all slaves