[  521.925899] bond0: (slave eth0): making interface the new active one
[  521.925989] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.102956] bond0: (slave eth0): Releasing backup interface
[  526.177402] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.326464] bond0: (slave eth0): Releasing backup interface
[  530.355382] bond0 (unregistering): Released all slaves