[  521.418513] bond0: (slave eth0): making interface the new active one
[  521.418612] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.580680] bond0: (slave eth0): Releasing backup interface
[  525.653832] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.806956] bond0: (slave eth0): Releasing backup interface
[  529.842603] bond0 (unregistering): Released all slaves