[  514.925664] bond0: (slave eth0): making interface the new active one
[  514.925748] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.129693] bond0: (slave eth0): Releasing backup interface
[  519.246041] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.411885] bond0: (slave eth0): Releasing backup interface
[  523.435816] bond0 (unregistering): Released all slaves