[  502.277311] bond0: (slave eth0): making interface the new active one
[  502.277389] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.450859] bond0: (slave eth0): Releasing backup interface
[  506.531065] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.682458] bond0: (slave eth0): Releasing backup interface
[  510.723356] bond0 (unregistering): Released all slaves