ethtool + what is the meaning of Supported link modes with Not supported

we have rhel 7.x machine with the following details

ethtool wep1
Settings for wep1:
        Supported ports: [ FIBRE ]
        Supported link modes:   Not reported
        Supported pause frame use: Symmetric
        Supports auto-negotiation: No
        Supported FEC modes: Not reported
        Advertised link modes:  Not reported
        Advertised pause frame use: No
        Advertised auto-negotiation: No
        Advertised FEC modes: Not reported
        Speed: 10000Mb/s
        Duplex: Full
        Port: FIBRE
        PHYAD: 0
        Transceiver: internal
        Auto-negotiation: off
        Supports Wake-on: g
        Wake-on: g
        Current message level: 0x00000007 (7)
                               drv probe link
        Link detected: yes

about

        Supported link modes:   Not reported
        Supported FEC modes: Not reported
        Advertised link modes:  Not reported

what is the meaning of "Not reported" , is it indicate on a problem?