dockerhost-equinix-x64-1 unable to run binfmt for riscv64 testing

[sxa]

• Please put the system name in the title of this issue.

• Link to any log file showing the problem:

• https://ci.adoptium.net/job/Test_openjdk22_hs_sanity.openjdk_riscv64_linux/22/console

• https://ci.adoptium.net/job/Test_openjdk22_hs_extended.openjdk_riscv64_linux_testList_2/3/console

• Please describe the issue:
  A number of the machines have been disabled in order to mitigate this problem, but it appears that at least one of the remaining ones has an issue that is still causing the jobs to fail. This is despite the suggesting that it was working ok last week