failed to apply patch after dry run:
patching file net/netfilter/nf_conntrack_core.c
Hunk #1 succeeded at 1551 (offset -1 lines).
patching file net/netfilter/nf_conntrack_core.c
Hunk #1 FAILED at 1552.
1 out of 1 hunk FAILED -- saving rejects to file net/netfilter/nf_conntrack_core.c.rej
patching file net/netfilter/nf_conntrack_core.c
Hunk #1 FAILED at 1552.
1 out of 1 hunk FAILED -- saving rejects to file net/netfilter/nf_conntrack_core.c.rej
patching file net/netfilter/nf_conntrack_core.c
Hunk #1 FAILED at 1552.
1 out of 1 hunk FAILED -- saving rejects to file net/netfilter/nf_conntrack_core.c.rej
patching file net/netfilter/nf_conntrack_core.c
Hunk #1 FAILED at 1552.
1 out of 1 hunk FAILED -- saving rejects to file net/netfilter/nf_conntrack_core.c.rej