[  518.338468] bond0: (slave eth0): making interface the new active one
[  518.338614] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.516668] bond0: (slave eth0): Releasing backup interface
[  522.604777] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.806370] bond0: (slave eth0): Releasing backup interface
[  526.827318] bond0 (unregistering): Released all slaves