Performing verification for Focal.
The affected user enabled -proposed and installed 5.4.0-66-generic to the system with a QLogic FastLinQ QL41000 Series 10/25/40/50GbE Controller.
They then set all interfaces down, and brought up the QLogic NIC only.
# uname -rv 5.4.0-66-generic #74~18.04.2-Ubuntu SMP Fri Feb 5 11:17:31 UTC 2021
# nslookup internal.kubernetes.domain.example 10.1.0.10 Server: 10.1.0.10 Address: 10.1.0.10#53 Name: internal.kubernetes.domain.example Address: 10.48.24.11
# ethtool -k eno1 | grep tx-checksumming tx-checksumming: on # ethtool -k enp94s0f0 | grep tx-checksumming tx-checksumming: on
DNS lookup to an internal kubernetes domain with IPIP type DNS lookups work as intended, with tx checksumming enabled.
The kernel in -proposed fixes the issue, marking as verified.
Performing verification for Focal.
The affected user enabled -proposed and installed 5.4.0-66-generic to the system with a QLogic FastLinQ QL41000 Series 10/25/40/50GbE Controller.
They then set all interfaces down, and brought up the QLogic NIC only.
# uname -rv
5.4.0-66-generic #74~18.04.2-Ubuntu SMP Fri Feb 5 11:17:31 UTC 2021
# nslookup internal. kubernetes. domain. example 10.1.0.10 kubernetes. domain. example
Server: 10.1.0.10
Address: 10.1.0.10#53
Name: internal.
Address: 10.48.24.11
# ethtool -k eno1 | grep tx-checksumming
tx-checksumming: on
# ethtool -k enp94s0f0 | grep tx-checksumming
tx-checksumming: on
DNS lookup to an internal kubernetes domain with IPIP type DNS lookups work as intended, with tx checksumming enabled.
The kernel in -proposed fixes the issue, marking as verified.