[  521.991423] bond0: (slave eth0): making interface the new active one
[  521.991490] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.155538] bond0: (slave eth0): Releasing backup interface
[  526.222249] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.377577] bond0: (slave eth0): Releasing backup interface
[  530.420557] bond0 (unregistering): Released all slaves