[  514.050785] bond0: (slave eth0): making interface the new active one
[  514.050885] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.304500] bond0: (slave eth0): Releasing backup interface
[  518.413316] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.582044] bond0: (slave eth0): Releasing backup interface
[  522.605993] bond0 (unregistering): Released all slaves