[  540.758553] bond0: (slave eth0): making interface the new active one
[  540.758639] bond0: (slave eth0): Enslaving as an active interface with an up link
[  544.976327] bond0: (slave eth0): Releasing backup interface
[  545.066444] bond0: (slave eth0): Enslaving as an active interface with an up link
[  549.268618] bond0: (slave eth0): Releasing backup interface
[  549.305576] bond0 (unregistering): Released all slaves