[  517.632991] bond0: (slave eth0): making interface the new active one
[  517.633059] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.819583] bond0: (slave eth0): Releasing backup interface
[  521.933164] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.110141] bond0: (slave eth0): Releasing backup interface
[  526.149086] bond0 (unregistering): Released all slaves