[  506.429711] bond0: (slave eth0): making interface the new active one
[  506.429796] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.604806] bond0: (slave eth0): Releasing backup interface
[  510.656438] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.834241] bond0: (slave eth0): Releasing backup interface
[  514.864139] bond0 (unregistering): Released all slaves