[  518.054901] bond0: (slave eth0): making interface the new active one
[  518.054995] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.262916] bond0: (slave eth0): Releasing backup interface
[  522.343074] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.479528] bond0: (slave eth0): Releasing backup interface
[  526.505488] bond0 (unregistering): Released all slaves