[ 537.438459] bond0: (slave eth0): making interface the new active one [ 537.438530] bond0: (slave eth0): Enslaving as an active interface with an up link [ 541.647527] bond0: (slave eth0): Releasing backup interface [ 541.739653] bond0: (slave eth0): Enslaving as an active interface with an up link [ 545.931541] bond0: (slave eth0): Releasing backup interface [ 545.960488] bond0 (unregistering): Released all slaves