[  502.819835] bond0: (slave eth0): making interface the new active one
[  502.819915] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.025949] bond0: (slave eth0): Releasing backup interface
[  507.111455] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.248415] bond0: (slave eth0): Releasing backup interface
[  511.280374] bond0 (unregistering): Released all slaves