NFS client on Solaris 11 Express zone: enable -r genereates a message

Hello,
I'm trying to enable the NFS client on a Solaris 11 Express ngz (ipkg) zone using the -r option.
I'm getting a message I wonder to know if it's normal or harmless and if NFS client is OK to use without issues.

# svcadm enable -r nfs/client
svcadm: svc:/milestone/network depends on svc:/network/physical, which has multiple instances.

When I don't use the -r option, no message is printed.

# svcs network/physical
STATE          STIME    FMRI
disabled       May_25   svc:/network/physical:nwam
online         May_25   svc:/network/physical:default

# svcs -l nfs/client
fmri         svc:/network/nfs/client:default
name         NFS client