r0 = open$dir(0x0, 0x0, 0x0)
open_by_handle_at(r0, &(0x7f0000000000)=@ceph_nfs_confh={0x10, 0xfe, {0x2}}, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x9)
sendfile(r1, 0xffffffffffffffff, 0x0, 0x0)
r2 = openat(0xffffffffffffffff, &(0x7f0000000180)='/proc/self/exe\x00', 0x0, 0x0)
r3 = socket$netlink(0x10, 0x3, 0x9)
sendfile(r3, r2, 0x0, 0x4000007ffffffc)