r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000002740), 0xffffffffffffffff) r2 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000140)={'syz_tun\x00', 0x0}) sendmsg$ETHTOOL_MSG_STRSET_GET(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)={0x34, r1, 0xb0b, 0x0, 0x0, {}, [@ETHTOOL_A_STRSET_HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_macvtap\x00'}]}]}, 0x34}}, 0x0)