[  517.465552] bond0: (slave eth0): making interface the new active one
[  517.465651] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.686876] bond0: (slave eth0): Releasing backup interface
[  521.761766] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.916936] bond0: (slave eth0): Releasing backup interface
[  525.940417] bond0 (unregistering): Released all slaves