[  502.826926] bond0: (slave eth0): making interface the new active one
[  502.827027] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.016894] bond0: (slave eth0): Releasing backup interface
[  507.073634] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.243567] bond0: (slave eth0): Releasing backup interface
[  511.276476] bond0 (unregistering): Released all slaves