[  518.000236] bond0: (slave eth0): making interface the new active one
[  518.000331] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.205132] bond0: (slave eth0): Releasing backup interface
[  522.313377] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.498483] bond0: (slave eth0): Releasing backup interface
[  526.533162] bond0 (unregistering): Released all slaves