[  518.100218] bond0: (slave eth0): making interface the new active one
[  518.100299] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.330125] bond0: (slave eth0): Releasing backup interface
[  522.418995] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.616044] bond0: (slave eth0): Releasing backup interface
[  526.640996] bond0 (unregistering): Released all slaves