[  516.160649] bond0: (slave eth0): making interface the new active one
[  516.160850] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.441319] bond0: (slave eth0): Releasing backup interface
[  520.560910] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.783285] bond0: (slave eth0): Releasing backup interface
[  524.812263] bond0 (unregistering): Released all slaves