[  513.979439] bond0: (slave eth0): making interface the new active one
[  513.979551] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.157611] bond0: (slave eth0): Releasing backup interface
[  518.228903] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.386476] bond0: (slave eth0): Releasing backup interface
[  522.418214] bond0 (unregistering): Released all slaves