[  521.893224] bond0: (slave eth0): making interface the new active one
[  521.893331] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.083782] bond0: (slave eth0): Releasing backup interface
[  526.156944] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.313334] bond0: (slave eth0): Releasing backup interface
[  530.343340] bond0 (unregistering): Released all slaves