[  501.906402] bond0: (slave eth0): making interface the new active one
[  501.906535] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.121213] bond0: (slave eth0): Releasing backup interface
[  506.195874] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.349366] bond0: (slave eth0): Releasing backup interface
[  510.382263] bond0 (unregistering): Released all slaves