"Request for unknown module key Magrathea: Glacier"

[Nick T.]

Hello,
For the last 2 kernel updates I have received unknown key messages on 
the new kernel installation. Is this a known bug or is there something 
that needs fixing in my system?
dmesg follows:

[  966.411881] Request for unknown module key 'Magrathea: Glacier 
signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
[  966.412921] Request for unknown module key 'Magrathea: Glacier 
signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
[  966.419330] SGI XFS with ACLs, security attributes, realtime, large 
block/inode numbers, no debug enabled
[  966.420615] Request for unknown module key 'Magrathea: Glacier 
signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
[  966.421173] JFS: nTxBlock = 8192, nTxLock = 65536
[  966.423350] Request for unknown module key 'Magrathea: Glacier 
signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
[  966.425141] Request for unknown module key 'Magrathea: Glacier 
signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
[  966.425424] NTFS driver 2.1.30 [Flags: R/O MODULE].
[  966.427112] Request for unknown module key 'Magrathea: Glacier 
signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
[  966.430379] Request for unknown module key 'Magrathea: Glacier 
signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
[  966.431406] Request for unknown module key 'Magrathea: Glacier 
signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
[  966.432383] Request for unknown module key 'Magrathea: Glacier 
signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
[  966.432493] QNX4 filesystem 0.2.3 registered.
[  966.433437] Request for unknown module key 'Magrathea: Glacier 
signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
[  966.434461] Request for unknown module key 'Magrathea: Glacier 
signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
[  966.434562] xor: automatically using best checksumming function:
[  966.474426]    avx       : 31649.000 MB/sec
[  966.474562] Request for unknown module key 'Magrathea: Glacier 
signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
[  966.542487] raid6: sse2x1   11552 MB/s
[  966.610537] raid6: sse2x2   14466 MB/s
[  966.678597] raid6: sse2x4   16805 MB/s
[  966.746647] raid6: avx2x1   22355 MB/s
[  966.814707] raid6: avx2x2   25654 MB/s
[  966.882756] raid6: avx2x4   29973 MB/s
[  966.882756] raid6: using algorithm avx2x4 (29973 MB/s)
[  966.882757] raid6: using avx2x2 recovery algorithm
[  966.883082] Request for unknown module key 'Magrathea: Glacier 
signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
[  966.884567] bio: create slab <bio-1> at 1
[  966.885081] Btrfs loaded

~ Nick