After additional "zypper dup" today system boot properly with "6.0.8-1-default #1 SMP PREEMPT_DYNAMIC Fri Nov 11 08:02:50 UTC 2022 (1579d93) aarch64 aarch64 aarch64 GNU/Linux". So there is no need to force boot with 6.0.3. Network card is still "end0"