Cannot access dhcp socket

[Jip-Hop]

When trying to create a macvlan network with dhcp enabled, I run into the error below:

WARN[0000] cannot access dhcp socket "/run/cni/dhcp.sock" (hint: try running with `dhcp daemon --socketpath=/run/cni/dhcp.sock &` in CNI_PATH to launch the dhcp daemon) 

After manually running ./dhcp daemon --socketpath=/run/cni/dhcp.sock & from /nerdctl_full/libexec/cni creating the network succeeds without warning.

Need to automate this and put the socket under a less common path (a path specific to ubernerd).

[Jip-Hop]

Perhaps -hostprefix is useful as described here.

[Jip-Hop]

Feature request for nerdctl: containerd/nerdctl#2465.