[  514.135475] bond0: (slave eth0): making interface the new active one
[  514.135552] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.362471] bond0: (slave eth0): Releasing backup interface
[  518.479754] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.709897] bond0: (slave eth0): Releasing backup interface
[  522.740866] bond0 (unregistering): Released all slaves