[  521.536392] bond0: (slave eth0): making interface the new active one
[  521.536472] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.738364] bond0: (slave eth0): Releasing backup interface
[  525.903558] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.137171] bond0: (slave eth0): Releasing backup interface
[  530.161028] bond0 (unregistering): Released all slaves