[  518.493269] bond0: (slave eth0): making interface the new active one
[  518.493386] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.638649] bond0: (slave eth0): Releasing backup interface
[  522.716327] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.862280] bond0: (slave eth0): Releasing backup interface
[  526.891235] bond0 (unregistering): Released all slaves