[  516.961994] bond0: (slave eth0): making interface the new active one
[  516.962099] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.179666] bond0: (slave eth0): Releasing backup interface
[  521.281218] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.467048] bond0: (slave eth0): Releasing backup interface
[  525.500067] bond0 (unregistering): Released all slaves