[  518.564565] bond0: (slave eth0): making interface the new active one
[  518.564641] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.772282] bond0: (slave eth0): Releasing backup interface
[  522.874751] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.068035] bond0: (slave eth0): Releasing backup interface
[  527.091083] bond0 (unregistering): Released all slaves