[  518.707664] bond0: (slave eth0): making interface the new active one
[  518.707759] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.888421] bond0: (slave eth0): Releasing backup interface
[  522.943561] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.116443] bond0: (slave eth0): Releasing backup interface
[  527.143411] bond0 (unregistering): Released all slaves