[  518.276308] bond0: (slave eth0): making interface the new active one
[  518.276376] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.456610] bond0: (slave eth0): Releasing backup interface
[  522.577089] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.750013] bond0: (slave eth0): Releasing backup interface
[  526.775910] bond0 (unregistering): Released all slaves