[  518.064836] bond0: (slave eth0): making interface the new active one
[  518.064927] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.268721] bond0: (slave eth0): Releasing backup interface
[  522.366259] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.545916] bond0: (slave eth0): Releasing backup interface
[  526.584839] bond0 (unregistering): Released all slaves