The ipsec VPN is broken in 4.16-rc7 and seems to have been broken in all of 4.15
connecting from an iphone seems to give a timeout. A bisect brings me to this commit as the one that is the issue. commit: acf568ee859f098279eadf551612f103afdacb4e (xfrm: Reinject transport-mode packets through tasklet) Reverting commit acf568ee859f098279eadf551612f103afdacb4e against 4.16-rc7 causes the VPN to function again.