[  521.234878] bond0: (slave eth0): making interface the new active one
[  521.234972] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.458389] bond0: (slave eth0): Releasing backup interface
[  525.546509] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.740777] bond0: (slave eth0): Releasing backup interface
[  529.764764] bond0 (unregistering): Released all slaves