[  518.182467] bond0: (slave eth0): making interface the new active one
[  518.182581] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.393611] bond0: (slave eth0): Releasing backup interface
[  522.506535] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.686948] bond0: (slave eth0): Releasing backup interface
[  526.718813] bond0 (unregistering): Released all slaves