rpc/comms: fix #1795, ensure IPC path exists before binding
rpc/comms: fix #1795, ensure IPC path exists before binding

maran/go-ethereum,maran/go-ethereum,maran/go-ethereum,maran/go-ethereum,maran/go-ethereum,maran/go-ethereum,maran/go-ethereum,maran/go-ethereum,maran/go-ethereum