[  516.856327] bond0: (slave eth0): making interface the new active one
[  516.856433] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.047744] bond0: (slave eth0): Releasing backup interface
[  521.113687] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.279359] bond0: (slave eth0): Releasing backup interface
[  525.305337] bond0 (unregistering): Released all slaves