[  521.761720] bond0: (slave eth0): making interface the new active one
[  521.761817] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.908878] bond0: (slave eth0): Releasing backup interface
[  525.990321] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.137303] bond0: (slave eth0): Releasing backup interface
[  530.170299] bond0 (unregistering): Released all slaves