[  501.955668] bond0: (slave eth0): making interface the new active one
[  501.955755] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.132866] bond0: (slave eth0): Releasing backup interface
[  506.199041] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.355646] bond0: (slave eth0): Releasing backup interface
[  510.386439] bond0 (unregistering): Released all slaves