[  506.250761] bond0: (slave eth0): making interface the new active one
[  506.250848] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.480155] bond0: (slave eth0): Releasing backup interface
[  510.570338] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.771738] bond0: (slave eth0): Releasing backup interface
[  514.799659] bond0 (unregistering): Released all slaves