[  517.940763] bond0: (slave eth0): making interface the new active one
[  517.940853] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.120359] bond0: (slave eth0): Releasing backup interface
[  522.179894] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.347997] bond0: (slave eth0): Releasing backup interface
[  526.369832] bond0 (unregistering): Released all slaves