[  537.647738] bond0: (slave eth0): making interface the new active one
[  537.647811] bond0: (slave eth0): Enslaving as an active interface with an up link
[  541.842886] bond0: (slave eth0): Releasing backup interface
[  541.940355] bond0: (slave eth0): Enslaving as an active interface with an up link
[  546.121793] bond0: (slave eth0): Releasing backup interface
[  546.150741] bond0 (unregistering): Released all slaves