[  518.296378] bond0: (slave eth0): making interface the new active one
[  518.296452] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.492286] bond0: (slave eth0): Releasing backup interface
[  522.598697] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.776997] bond0: (slave eth0): Releasing backup interface
[  526.811880] bond0 (unregistering): Released all slaves