[  514.313159] bond0: (slave eth0): making interface the new active one
[  514.313255] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.481861] bond0: (slave eth0): Releasing backup interface
[  518.553206] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.710364] bond0: (slave eth0): Releasing backup interface
[  522.734280] bond0 (unregistering): Released all slaves