[  506.324467] bond0: (slave eth0): making interface the new active one
[  506.324535] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.537179] bond0: (slave eth0): Releasing backup interface
[  510.600397] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.766427] bond0: (slave eth0): Releasing backup interface
[  514.793300] bond0 (unregistering): Released all slaves