[  506.188377] bond0: (slave eth0): making interface the new active one
[  506.188498] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.354901] bond0: (slave eth0): Releasing backup interface
[  510.419318] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.584613] bond0: (slave eth0): Releasing backup interface
[  514.625502] bond0 (unregistering): Released all slaves