[  537.140539] bond0: (slave eth0): making interface the new active one
[  537.140617] bond0: (slave eth0): Enslaving as an active interface with an up link
[  541.336608] bond0: (slave eth0): Releasing backup interface
[  541.420275] bond0: (slave eth0): Enslaving as an active interface with an up link
[  545.617756] bond0: (slave eth0): Releasing backup interface
[  545.645737] bond0 (unregistering): Released all slaves