[  517.483771] bond0: (slave eth0): making interface the new active one
[  517.483856] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.673831] bond0: (slave eth0): Releasing backup interface
[  521.737943] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.906429] bond0: (slave eth0): Releasing backup interface
[  525.941424] bond0 (unregistering): Released all slaves