[  510.793886] bond0: (slave eth0): making interface the new active one
[  510.794036] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.967618] bond0: (slave eth0): Releasing backup interface
[  515.041480] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.190501] bond0: (slave eth0): Releasing backup interface
[  519.206394] bond0 (unregistering): Released all slaves