[  514.726869] bond0: (slave eth0): making interface the new active one
[  514.726944] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.937916] bond0: (slave eth0): Releasing backup interface
[  519.046818] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.227026] bond0: (slave eth0): Releasing backup interface
[  523.258911] bond0 (unregistering): Released all slaves