[  518.645522] bond0: (slave eth0): making interface the new active one
[  518.645627] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.827356] bond0: (slave eth0): Releasing backup interface
[  522.898092] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.054749] bond0: (slave eth0): Releasing backup interface
[  527.082673] bond0 (unregistering): Released all slaves