[  541.022480] bond0: (slave eth0): making interface the new active one
[  541.022547] bond0: (slave eth0): Enslaving as an active interface with an up link
[  545.230710] bond0: (slave eth0): Releasing backup interface
[  545.318240] bond0: (slave eth0): Enslaving as an active interface with an up link
[  549.515885] bond0: (slave eth0): Releasing backup interface
[  549.544864] bond0 (unregistering): Released all slaves