[  517.190855] bond0: (slave eth0): making interface the new active one
[  517.190985] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.368219] bond0: (slave eth0): Releasing backup interface
[  521.453820] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.588426] bond0: (slave eth0): Releasing backup interface
[  525.611271] bond0 (unregistering): Released all slaves