[  502.865962] bond0: (slave eth0): making interface the new active one
[  502.866027] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.092005] bond0: (slave eth0): Releasing backup interface
[  507.178080] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.377792] bond0: (slave eth0): Releasing backup interface
[  511.402702] bond0 (unregistering): Released all slaves