[  518.225574] bond0: (slave eth0): making interface the new active one
[  518.225664] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.384605] bond0: (slave eth0): Releasing backup interface
[  522.460107] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.618229] bond0: (slave eth0): Releasing backup interface
[  526.651202] bond0 (unregistering): Released all slaves