[  505.761561] bond0: (slave eth0): making interface the new active one
[  505.761652] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.966765] bond0: (slave eth0): Releasing backup interface
[  510.054899] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.190758] bond0: (slave eth0): Releasing backup interface
[  514.224688] bond0 (unregistering): Released all slaves