[  501.897644] bond0: (slave eth0): making interface the new active one
[  501.897721] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.061691] bond0: (slave eth0): Releasing backup interface
[  506.136921] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.292414] bond0: (slave eth0): Releasing backup interface
[  510.322395] bond0 (unregistering): Released all slaves