[  513.904900] bond0: (slave eth0): making interface the new active one
[  513.905002] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.098869] bond0: (slave eth0): Releasing backup interface
[  518.176984] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.326283] bond0: (slave eth0): Releasing backup interface
[  522.350204] bond0 (unregistering): Released all slaves