[  518.542835] bond0: (slave eth0): making interface the new active one
[  518.542923] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.697350] bond0: (slave eth0): Releasing backup interface
[  522.765452] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.920287] bond0: (slave eth0): Releasing backup interface
[  526.950230] bond0 (unregistering): Released all slaves