[  521.800655] bond0: (slave eth0): making interface the new active one
[  521.800799] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.966098] bond0: (slave eth0): Releasing backup interface
[  526.048900] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.194238] bond0: (slave eth0): Releasing backup interface
[  530.235256] bond0 (unregistering): Released all slaves