[  517.466990] bond0: (slave eth0): making interface the new active one
[  517.467064] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.609884] bond0: (slave eth0): Releasing backup interface
[  521.666262] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.833919] bond0: (slave eth0): Releasing backup interface
[  525.857797] bond0 (unregistering): Released all slaves