[  509.784241] bond0: (slave eth0): making interface the new active one
[  509.784307] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.012060] bond0: (slave eth0): Releasing backup interface
[  514.117372] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.298111] bond0: (slave eth0): Releasing backup interface
[  518.334992] bond0 (unregistering): Released all slaves