Intel network ( i40e ) card doesn't obtain IP by DHCP

[Grub Jack]

Hello,

Intel network card can't get IP settings from DHCP. When I set IP manually all is good.

# ethtool enp94s0f3

Settings for enp94s0f3:
        Supported ports: [ TP ]
        Supported link modes: 1000baseT/Full
                                10000baseT/Full
        Supported pause frame use: Symmetric Receive-only
        Supports auto-negotiation: Yes
        Supported FEC modes: Not reported
        Advertised link modes: 1000baseT/Full
                                10000baseT/Full
        Advertised pause frame use: No
        Advertised auto-negotiation: Yes
        Advertised FEC modes: Not reported
        Speed: 10000Mb/s
        Duplex: Full
        Auto-negotiation: on
        Port: Twisted Pair
        PHYAD: 0
        Transceiver: internal
        MDI-X: Unknown
        Supports Wake-on: d
        Wake-on: d
        Current message level: 0x00000007 (7)
                               drv probe link
        Link detected: yes

# ethtool -i enp94s0f3

driver: i40e
version: 5.15.0-33-generic
firmware-version: 7.10 0x800075fe 19.5.12
expansion-rom-version:
bus-info: 0000:5e:00.3
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: yes

# dhclient -v enp94s0f3
Internet Systems Consortium DHCP Client 4.4.1
Copyright 2004-2018 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

Listening on LPF/enp94s0f3/3c:fd:fe:85:0c:13
Sending on LPF/enp94s0f3/3c:fd:fe:85:0c:13
Sending on Socket/fallback
DHCPDISCOVER on enp94s0f3 to 255.255.255.255 port 67 interval 3 (xid=0x43f9f4b)
...
DHCPDISCOVER on enp94s0f3 to 255.255.255.255 port 67 interval 8 (xid=0x43f9f4b)
No DHCPOFFERS received.
No working leases in persistent database - sleeping.

Tried with different kernels - the same.

Thanks in advance.

[Ubuntu Foundations Team Bug Bot (crichton)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that your bug report is not filed about a specific source package though, rather it is just filed against Ubuntu in general. It is important that bug reports be filed about source packages so that people interested in the package can find the bugs about it. You can find some hints about determining what package your bug might be about at https://wiki.ubuntu.com/Bugs/FindRightPackage. You might also ask for help in the #ubuntu-bugs irc channel on Libera.chat.

To change the source package that this bug is filed about visit https://bugs.launchpad.net/ubuntu/+bug/1987518/+editstatus and add the package name in the text box next to the word Package.

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