[  514.905282] bond0: (slave eth0): making interface the new active one
[  514.905357] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.135207] bond0: (slave eth0): Releasing backup interface
[  519.251115] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.488027] bond0: (slave eth0): Releasing backup interface
[  523.522883] bond0 (unregistering): Released all slaves