[  501.732899] bond0: (slave eth0): making interface the new active one
[  501.733014] bond0: (slave eth0): Enslaving as an active interface with an up link
[  505.931954] bond0: (slave eth0): Releasing backup interface
[  506.003712] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.153203] bond0: (slave eth0): Releasing backup interface
[  510.180149] bond0 (unregistering): Released all slaves