ERROR conda.core.link:_execute(7

Executing transaction: - Enabling notebook extension jupyter-js-widgets/extension...
      - Validating: OK

done
 **ERROR conda.core.link:_execute(700):** An error occurred while installing package 'bioconda::bioconductor-genomeinfodbdata-1.2.4-r40_0'.
Rolling back transaction: done
class: LinkError
message:
post-link script failed for package bioconda::bioconductor-genomeinfodbdata-1.2.4-r40_0

经过多次尝试，问题可能出现在ipv6上面。
解决方式：
ubuntu 18系统下

sudo vi  /etc/resolv.conf

插入两行

nameserver 119.29.29.29
nameserver 8.8.8.8