[  518.639672] bond0: (slave eth0): making interface the new active one
[  518.639739] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.845381] bond0: (slave eth0): Releasing backup interface
[  522.942355] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.133327] bond0: (slave eth0): Releasing backup interface
[  527.164354] bond0 (unregistering): Released all slaves