[  514.025460] bond0: (slave eth0): making interface the new active one
[  514.025543] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.259933] bond0: (slave eth0): Releasing backup interface
[  518.374889] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.598981] bond0: (slave eth0): Releasing backup interface
[  522.631917] bond0 (unregistering): Released all slaves