[  518.219995] bond0: (slave eth0): making interface the new active one
[  518.220079] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.453519] bond0: (slave eth0): Releasing backup interface
[  522.560110] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.758135] bond0: (slave eth0): Releasing backup interface
[  526.801997] bond0 (unregistering): Released all slaves