[  510.344027] bond0: (slave eth0): making interface the new active one
[  510.344095] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.589402] bond0: (slave eth0): Releasing backup interface
[  514.695943] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.875472] bond0: (slave eth0): Releasing backup interface
[  518.912904] bond0 (unregistering): Released all slaves