[  518.205318] bond0: (slave eth0): making interface the new active one
[  518.205406] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.379432] bond0: (slave eth0): Releasing backup interface
[  522.439043] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.609651] bond0: (slave eth0): Releasing backup interface
[  526.645124] bond0 (unregistering): Released all slaves