[  523.420194] bond0: (slave eth0): making interface the new active one
[  523.420315] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.564978] bond0: (slave eth0): Releasing backup interface
[  527.639498] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.797249] bond0: (slave eth0): Releasing backup interface
[  531.835248] bond0 (unregistering): Released all slaves