NetworkManager restart fails with: device state change: prepare -> failed (reason 'dependency-failed')
Issue
- NetworkManager comes up on boot, but a
systemctl restart NetworkManager.servicefails to activate bond slaves. The following messages are logged:
NetworkManager[141659]: <info> (ens4f1): device state change: disconnected -> prepare (reason 'none') [30 40 0]
NetworkManager[141659]: <info> (ens5f1): device state change: disconnected -> prepare (reason 'none') [30 40 0]
NetworkManager[141659]: <info> (ens7f1): device state change: disconnected -> prepare (reason 'none') [30 40 0]
NetworkManager[141659]: <info> (ens8f1): device state change: prepare -> failed (reason 'dependency-failed') [40 120 50]
NetworkManager[141659]: <info> Disabling autoconnect for connection 'ens8f1'.
NetworkManager[141659]: <warn> (ens8f1): Activation: failed for connection 'ens8f1'
NetworkManager[141659]: <info> (ens4f1): device state change: prepare -> failed (reason 'dependency-failed') [40 120 50]
NetworkManager[141659]: <info> Disabling autoconnect for connection 'ens4f1'.
NetworkManager[141659]: <warn> (ens4f1): Activation: failed for connection 'ens4f1'
NetworkManager[141659]: <info> (ens5f1): device state change: prepare -> failed (reason 'dependency-failed') [40 120 50]
NetworkManager[141659]: <info> Disabling autoconnect for connection 'ens5f1'.
NetworkManager[141659]: <warn> (ens5f1): Activation: failed for connection 'ens5f1'
NetworkManager[141659]: <info> (ens7f1): device state change: prepare -> failed (reason 'dependency-failed') [40 120 50]
NetworkManager[141659]: <info> NetworkManager state is now DISCONNECTED
NetworkManager[141659]: <info> Disabling autoconnect for connection 'ens7f1'.
NetworkManager[141659]: <warn> (ens7f1): Activation: failed for connection 'ens7f1
Environment
- Red Hat Enterprise Linux 7.2 or earlier
NetworkManager-1.0.6series- Bonding
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