[  517.199433] bond0: (slave eth0): making interface the new active one
[  517.199567] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.500873] bond0: (slave eth0): Releasing backup interface
[  521.612612] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.776785] bond0: (slave eth0): Releasing backup interface
[  525.815854] bond0 (unregistering): Released all slaves