r0 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000480)={&(0x7f00000002c0)=ANY=[@ANYBLOB="140000001d00210c00000000fbdbe725010002"], 0x14}}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000280)='./file0\x00', 0x0, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast2, 0x5}, 0x1c) sendmmsg$inet6(r0, &(0x7f0000004d00)=[{{0x0, 0x0, &(0x7f00000004c0)=[{&(0x7f0000000080)='K', 0x1}], 0x1}}], 0x7ffff000, 0x0)