[  521.715674] bond0: (slave eth0): making interface the new active one
[  521.715778] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.898811] bond0: (slave eth0): Releasing backup interface
[  525.971472] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.126324] bond0: (slave eth0): Releasing backup interface
[  530.156239] bond0 (unregistering): Released all slaves