[  518.387744] bond0: (slave eth0): making interface the new active one
[  518.387820] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.569142] bond0: (slave eth0): Releasing backup interface
[  522.627734] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.798151] bond0: (slave eth0): Releasing backup interface
[  526.832663] bond0 (unregistering): Released all slaves