[  532.785301] bond0: (slave eth0): making interface the new active one
[  532.785420] bond0: (slave eth0): Enslaving as an active interface with an up link
[  536.976260] bond0: (slave eth0): Releasing backup interface
[  537.063467] bond0: (slave eth0): Enslaving as an active interface with an up link
[  541.259648] bond0: (slave eth0): Releasing backup interface
[  541.282635] bond0 (unregistering): Released all slaves