[  508.907246] bond0: (slave eth0): making interface the new active one
[  508.907342] bond0: (slave eth0): Enslaving as an active interface with an up link
[  513.112056] bond0: (slave eth0): Releasing backup interface
[  513.190609] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.334696] bond0: (slave eth0): Releasing backup interface
[  517.358510] bond0 (unregistering): Released all slaves