276c6e7 core: check fs type of BPFProgram= property path

1 file Authored by Julia Kartseva 2 years ago, Committed by anitazha 2 years ago,
    core: check fs type of BPFProgram= property path
    
    Tests:
    
    ```
    % stat --file-system --format="%T" /root/bpf/trivial/
    bpf_fs
    
    % systemd-nspawn -D/ --volatile=yes \
    --property=BPFProgram=egress:/root/bpf/trivial/cgroup_skb_egress \
    --quiet -- ping -c 5 -W 1 ::1
    PING ::1(::1) 56 data bytes
    
        
file modified
+10 -0