[  501.784757] bond0: (slave eth0): making interface the new active one
[  501.784827] bond0: (slave eth0): Enslaving as an active interface with an up link
[  505.992658] bond0: (slave eth0): Releasing backup interface
[  506.070598] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.215443] bond0: (slave eth0): Releasing backup interface
[  510.242269] bond0 (unregistering): Released all slaves