[  502.848491] bond0: (slave eth0): making interface the new active one
[  502.848584] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.014277] bond0: (slave eth0): Releasing backup interface
[  507.098221] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.242338] bond0: (slave eth0): Releasing backup interface
[  511.283382] bond0 (unregistering): Released all slaves