[  518.509585] bond0: (slave eth0): making interface the new active one
[  518.509689] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.693986] bond0: (slave eth0): Releasing backup interface
[  522.764046] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.923648] bond0: (slave eth0): Releasing backup interface
[  526.954603] bond0 (unregistering): Released all slaves