r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
sendmmsg$sock(r0, &(0x7f0000001c40)=[{{&(0x7f0000000080)=@un=@file={0x0, './file0\x00'}, 0x80, 0x0}}], 0x1, 0x20044080)