[  506.448601] bond0: (slave eth0): making interface the new active one
[  506.448679] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.599397] bond0: (slave eth0): Releasing backup interface
[  510.667333] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.829677] bond0: (slave eth0): Releasing backup interface
[  514.864438] bond0 (unregistering): Released all slaves