[  540.826112] bond0: (slave eth0): making interface the new active one
[  540.826193] bond0: (slave eth0): Enslaving as an active interface with an up link
[  545.043894] bond0: (slave eth0): Releasing backup interface
[  545.144766] bond0: (slave eth0): Enslaving as an active interface with an up link
[  549.324844] bond0: (slave eth0): Releasing backup interface
[  549.351787] bond0 (unregistering): Released all slaves