[  518.060384] bond0: (slave eth0): making interface the new active one
[  518.060490] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.253224] bond0: (slave eth0): Releasing backup interface
[  522.334908] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.474505] bond0: (slave eth0): Releasing backup interface
[  526.497438] bond0 (unregistering): Released all slaves